diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1c78687
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,67 @@
+.idea/
+# CMake
+cmake-build-debug/
+
+
+
+## File-based project format:
+*.iws
+
+## Plugin-specific files:
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+### Kotlin template
+# Compiled class file
+*.class
+
+# Log file
+*.log
+
+# BlueJ files
+*.ctxt
+
+# Mobile Tools for Java (J2ME)
+.mtj.tmp/
+
+# Package Files #
+*.jar
+*.war
+*.ear
+*.zip
+*.tar.gz
+*.rar
+
+# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
+hs_err_pid*
+### Gradle template
+.gradle
+build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties
+*.iml
diff --git a/build.gradle b/build.gradle
new file mode 100644
index 0000000..772313c
--- /dev/null
+++ b/build.gradle
@@ -0,0 +1,104 @@
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7.3'
+    }
+}
+
+plugins {
+    id "org.jetbrains.kotlin.jvm" version "1.2.31"
+}
+apply plugin: 'maven-publish'
+apply plugin: 'com.jfrog.bintray'
+
+ext.kotlinVersion = '1.2.31'
+
+group 'io.github.atistrcsn'
+version '1.0.0'
+jar.baseName 'kutils'
+
+tasks.withType(org.jetbrains.kotlin.gradle.tasks.KotlinCompile).all {
+    kotlinOptions {
+        freeCompilerArgs = ["-Xjsr305=strict"]
+        jvmTarget = 1.8
+        suppressWarnings = true
+    }
+}
+
+kotlin {
+    experimental {
+        coroutines "enable"
+    }
+}
+
+sourceSets {
+    main.kotlin.srcDirs += 'src/main/kotlin'
+    main.java.srcDirs += 'src/main/kotlin'
+}
+
+dependencies {
+    // Kotlin
+    compile("org.jetbrains.kotlin:kotlin-stdlib-jdk8:${kotlinVersion}")
+    compile("org.jetbrains.kotlin:kotlin-reflect:${kotlinVersion}")
+    compile("org.jetbrains.kotlinx:kotlinx-coroutines-core:0.22.5")
+
+    // Logging
+    compile("io.github.microutils:kotlin-logging:1.4.9")
+    compile("org.slf4j:slf4j-api:1.7.25")
+
+    testCompile "org.jetbrains.kotlin:kotlin-test:${kotlinVersion}"
+    testCompile "org.jetbrains.kotlin:kotlin-test-junit:${kotlinVersion}"
+}
+
+publishing {
+    publications {
+        KutilsBintrayPublication(MavenPublication) {
+            from components.java
+            groupId group
+            artifactId module.name
+            version project.version
+        }
+    }
+}
+
+bintray {
+    user = bintray_user
+    key = bintray_key
+    publications = ['KutilsBintrayPublication']
+    pkg {
+        repo = 'public'
+        name = 'kutils'
+        desc = 'Kotlin starter, kotlin utilities'
+        licenses = ['MIT']
+        vcsUrl = 'https://github.com/atistrcsn/kutils.git'
+        labels = ['kotlin', 'utils']
+        publicDownloadNumbers = true
+        githubRepo = 'atistrcsn/kutils' //Optional Github repository
+        githubReleaseNotesFile = 'README.md' //Optional Github readme file
+        version {
+            name = project.version
+            desc = bintray.pkg.desc
+            released = new Date()
+            vcsTag = project.version
+            gpg {
+                sign = true
+            }
+        }
+    }
+}
+
+task cleanBuildPublishArtifactory(group: 'kutils') {
+    dependsOn 'clean'
+    dependsOn 'build'
+    dependsOn 'publishToMavenLocal'
+    dependsOn 'bintrayUpload'
+    tasks.findByName('build').mustRunAfter 'clean'
+    tasks.findByName('publishToMavenLocal').mustRunAfter 'build'
+    tasks.findByName('bintrayUpload').mustRunAfter 'publishToMavenLocal'
+}
+
+task wrapper(type: Wrapper) {
+    gradleVersion = '4.6'
+}
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..f6b961f
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..bf3de21
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
diff --git a/gradlew b/gradlew
new file mode 100755
index 0000000..cccdd3d
--- /dev/null
+++ b/gradlew
@@ -0,0 +1,172 @@
+#!/usr/bin/env sh
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=$(save "$@")
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
+if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
+  cd "$(dirname "$0")"
+fi
+
+exec "$JAVACMD" "$@"
diff --git a/gradlew.bat b/gradlew.bat
new file mode 100644
index 0000000..f955316
--- /dev/null
+++ b/gradlew.bat
@@ -0,0 +1,84 @@
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windows variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega
diff --git a/settings.gradle b/settings.gradle
new file mode 100644
index 0000000..9ed4166
--- /dev/null
+++ b/settings.gradle
@@ -0,0 +1,13 @@
+pluginManagement {
+    repositories {
+        maven {
+            url "${artifactory_contextUrl}/maven-dev"
+            credentials {
+                username = "${artifactory_user}"
+                password = "${artifactory_password}"
+            }
+        }
+    }
+}
+
+rootProject.name = 'kutils'
\ No newline at end of file
diff --git a/src/main/kotlin/io/github/kutils/collection.kt b/src/main/kotlin/io/github/kutils/collection.kt
new file mode 100644
index 0000000..27406e8
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/collection.kt
@@ -0,0 +1,15 @@
+package io.github.kutils
+
+/**
+ * @author atistrcsn - 2017
+ */
+/**
+ * Returns the sum of all values produced by [selector] function applied to each element in the collection.
+ */
+inline fun <T> Iterable<T>.sumFloatBy(selector: (T) -> Float): Float {
+    var sum: Float = 0f
+    for (element in this) {
+        sum += selector(element)
+    }
+    return sum
+}
\ No newline at end of file
diff --git a/src/main/kotlin/io/github/kutils/coroutines.kt b/src/main/kotlin/io/github/kutils/coroutines.kt
new file mode 100644
index 0000000..a297a8f
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/coroutines.kt
@@ -0,0 +1,36 @@
+package io.github.kutils
+
+import kotlinx.coroutines.experimental.CommonPool
+import java.util.concurrent.CompletableFuture
+import kotlin.coroutines.experimental.Continuation
+import kotlin.coroutines.experimental.CoroutineContext
+import kotlin.coroutines.experimental.startCoroutine
+import kotlin.coroutines.experimental.suspendCoroutine
+
+/**
+ * @author atistrcsn - 2017
+ */
+
+fun <T> future(context: CoroutineContext = CommonPool, block: suspend () -> T): CompletableFuture<T> =
+        CompletableFutureCoroutine<T>(context).also { block.startCoroutine(completion = it) }
+
+class CompletableFutureCoroutine<T>(override val context: CoroutineContext) : CompletableFuture<T>(), Continuation<T> {
+    override fun resume(value: T) {
+        complete(value)
+    }
+
+    override fun resumeWithException(exception: Throwable) {
+        completeExceptionally(exception)
+    }
+}
+
+suspend fun <T> CompletableFuture<T>.await(): T =
+        suspendCoroutine { cont: Continuation<T> ->
+            whenComplete { result, exception ->
+                if (exception == null) // the future has been completed normally
+                    cont.resume(result)
+                else // the future has completed with an exception
+                    cont.resumeWithException(exception)
+            }
+        }
+
diff --git a/src/main/kotlin/io/github/kutils/crypt.kt b/src/main/kotlin/io/github/kutils/crypt.kt
new file mode 100644
index 0000000..95a76e6
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/crypt.kt
@@ -0,0 +1,57 @@
+package io.github.kutils
+
+import java.security.MessageDigest
+import java.util.*
+import javax.crypto.Cipher
+import javax.crypto.Mac
+import javax.crypto.spec.SecretKeySpec
+
+/**
+ * Encodes the ByteArray into Base64 encoded one.
+ * @author atistrcsn - 2017
+ */
+inline val ByteArray.base64 get() = Base64.getEncoder().encodeToString(this)
+
+/**
+ * Encodes the string into Base64 encoded one.
+ * @author Suresh G (@sur3shg)
+ */
+inline val String.base64 get() = Base64.getEncoder().encodeToString(toByteArray(Charsets.US_ASCII))
+
+/**
+ * Decodes the base64 string.
+ * @author Suresh G (@sur3shg)
+ */
+inline val String.base64Decode get() = base64DecodeBytes.toString(Charsets.US_ASCII)
+
+inline val String.md5x16
+    get() = MessageDigest.getInstance("MD5").apply { update(toByteArray()) }.digest()
+
+/**
+ * Encrypt this string with HMAC-SHA1 using the specified [key].
+ *
+ * @author Suresh G (@sur3shg)
+ * @param key Encryption key
+ * @return Encrypted output
+ */
+fun String.hmacSHA1(key: String): ByteArray {
+    val mac = Mac.getInstance("HmacSHA1")
+    mac.init(SecretKeySpec(key.toByteArray(Charsets.UTF_8), "HmacSHA1"))
+    return mac.doFinal(toByteArray(Charsets.UTF_8))
+}
+
+/**
+ * Encrypt this string with AES-128 using the specified [key].
+ * Ported from - https://goo.gl/J1H3e5
+ *
+ * @author Suresh G (@sur3shg)
+ * @param key Encryption key.
+ * @return Encrypted output.
+ */
+fun String.aes128Encrypt(key: String): ByteArray {
+    val nkey = key.normalizeString(16)
+    val msg = rightPadString('{', 16)
+    val cipher = Cipher.getInstance("AES/ECB/NoPadding")
+    cipher.init(Cipher.ENCRYPT_MODE, SecretKeySpec(nkey.toByteArray(Charsets.UTF_8), "AES"))
+    return cipher.doFinal(msg.toByteArray(Charsets.UTF_8))
+}
diff --git a/src/main/kotlin/io/github/kutils/currency.kt b/src/main/kotlin/io/github/kutils/currency.kt
new file mode 100644
index 0000000..608303e
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/currency.kt
@@ -0,0 +1,17 @@
+package io.github.kutils
+
+import java.text.NumberFormat
+import java.util.*
+
+/**
+ * @author atistrcsn - 2017
+ */
+fun Number.formatWithCurrency(locale: Locale? = null): String = numberFormat(locale).format(this)
+
+private fun numberFormat(locale: Locale? = null): NumberFormat = NumberFormat.getCurrencyInstance(locale ?: hunLocale).apply {
+    isGroupingUsed = true
+    if (locale == null) maximumFractionDigits = 0
+}
+
+fun Number.formatWithUSD(): String = numberFormat(Locale.US).format(this)
+fun Number.formatWithEUR(): String = numberFormat(Locale.FRANCE).format(this)
diff --git a/src/main/kotlin/io/github/kutils/datetime.kt b/src/main/kotlin/io/github/kutils/datetime.kt
new file mode 100644
index 0000000..b4a2550
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/datetime.kt
@@ -0,0 +1,46 @@
+package io.github.kutils
+
+import java.time.DayOfWeek
+import java.time.LocalDateTime
+import java.time.Month
+import java.time.ZoneId
+import java.time.format.DateTimeFormatter
+import java.time.format.TextStyle
+import java.time.temporal.Temporal
+import java.util.*
+import javax.xml.datatype.DatatypeFactory
+import javax.xml.datatype.XMLGregorianCalendar
+
+/**
+ * @author atistrcsn - 2017
+ */
+val hunZone: ZoneId = ZoneId.of("Europe/Budapest")
+
+val hunLocale: Locale = Locale("hu", "HU")
+
+val hunDatePattern = "yyyy-MM-dd"
+val hunTimePattern = "HH:mm"
+val hunDateTimePattern = "$hunDatePattern $hunTimePattern"
+
+val hunDateFormatter: DateTimeFormatter = DateTimeFormatter.ofPattern(hunDatePattern, hunLocale)
+val hunTimeFormatter: DateTimeFormatter = DateTimeFormatter.ofPattern(hunTimePattern, hunLocale)
+val hunDateTimeFormatter: DateTimeFormatter = DateTimeFormatter.ofPattern(hunDateTimePattern, hunLocale)
+
+fun hunDateFormatter(pattern: String): DateTimeFormatter = DateTimeFormatter.ofPattern(pattern, hunLocale)
+fun hunTimeFormatter(pattern: String): DateTimeFormatter = DateTimeFormatter.ofPattern(pattern, hunLocale)
+fun hunDateTimeFormatter(pattern: String): DateTimeFormatter = DateTimeFormatter.ofPattern(pattern, hunLocale)
+
+fun Temporal.local(pattern: String): String = hunDateTimeFormatter(pattern).format(this)
+
+fun Month.narrow(): String = getDisplayName(TextStyle.NARROW, hunLocale)
+fun Month.short(): String = getDisplayName(TextStyle.SHORT, hunLocale)
+fun Month.full(): String = getDisplayName(TextStyle.FULL, hunLocale)
+fun DayOfWeek.narrow(): String = getDisplayName(TextStyle.NARROW, hunLocale)
+fun DayOfWeek.short(): String = getDisplayName(TextStyle.SHORT, hunLocale)
+fun DayOfWeek.full(): String = getDisplayName(TextStyle.FULL, hunLocale)
+
+fun XMLGregorianCalendar.toLocalDateTime(zoneId: ZoneId = hunZone): LocalDateTime =
+        LocalDateTime.ofInstant(toGregorianCalendar().toInstant(), zoneId)
+
+fun LocalDateTime.toXmlGregorianCalendar(): XMLGregorianCalendar =
+        GregorianCalendar.from(atZone(hunZone)).let { DatatypeFactory.newInstance().newXMLGregorianCalendar(it) }
\ No newline at end of file
diff --git a/src/main/kotlin/io/github/kutils/helpers.kt b/src/main/kotlin/io/github/kutils/helpers.kt
new file mode 100644
index 0000000..7a55f57
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/helpers.kt
@@ -0,0 +1,374 @@
+package io.github.kutils
+
+import sun.misc.HexDumpEncoder
+import java.io.File
+import java.io.IOException
+import java.net.JarURLConnection
+import java.net.URL
+import java.nio.file.FileVisitResult
+import java.nio.file.Files
+import java.nio.file.Path
+import java.nio.file.SimpleFileVisitor
+import java.nio.file.attribute.BasicFileAttributes
+import java.security.MessageDigest
+import java.util.*
+import java.util.concurrent.ThreadLocalRandom
+import java.util.jar.Attributes
+import java.util.jar.Manifest
+import kotlin.reflect.KClass
+import kotlin.reflect.KMutableProperty0
+import kotlin.reflect.KMutableProperty1
+import kotlin.reflect.KProperty
+import kotlin.reflect.KProperty0
+import kotlin.reflect.KProperty1
+
+/**
+ * @author atistrcsn - 2017
+ */
+
+fun Random.nextInt(range: IntRange): Int = range.start + nextInt(range.last - range.start)
+
+fun rand(range: IntRange): Int = ThreadLocalRandom.current().nextInt(range)
+
+fun <T> Array<T>.rand(): T = get(Random().nextInt(0..size))
+
+/**
+ *
+ *
+ *
+ *
+ * Common extension functions.
+ *
+ * @author Suresh G (@sur3shg)
+ */
+const val SPACE = " "
+
+val LINE_SEP = System.lineSeparator()
+
+val FILE_SEP = File.separator
+
+/**
+ * Prints the [Any.toString] to console.
+ */
+inline val Any?.p get() = println(this)
+
+/**
+ * Pseudo Random number generator.
+ */
+val RAND = Random(System.nanoTime())
+
+/**
+ * Prepend an empty string of size [col] to the string.
+ *
+ * Doesn't preserve original line endings.
+ */
+fun String.indent(col: Int) = prependIndent(SPACE.repeat(col))
+
+/**
+ * Prepend an empty string of size [col] to each string in the list by skipping first [skip] strings.
+ *
+ * @param skip number of head elements to skip from indentation.
+ *             Default to 0 if it's out of bound of list size [0..size]
+ */
+fun List<String>.indent(col: Int, skip: Int = 0): List<String> {
+    val skipCount = if (skip in 0..size) skip else 0
+    return mapIndexed { idx, str -> if (idx < skipCount) str else str.indent(col) }
+}
+
+/**
+ * Convert [Byte] to hex. '0x100' OR is used to preserve the leading zero in case of single hex digit.
+ */
+val Byte.hex get() = Integer.toHexString(toInt() and 0xFF or 0x100).substring(1, 3).toUpperCase()
+
+/**
+ * Convert [Byte] to octal. '0x200' OR is used to preserve the leading zero in case of two digit octal.
+ */
+val Byte.oct get() = Integer.toOctalString(toInt() and 0xFF or 0x200).substring(1, 4)
+
+/**
+ * Convert [ByteArray] to hex.
+ */
+val ByteArray.hex get() = map(Byte::hex).joinToString(" ")
+
+/**
+ * Convert [ByteArray] into the classic: "Hexadecimal Dump".
+ */
+val ByteArray.hexDump get() = HexDumpEncoder().encode(this)
+
+/**
+ * Convert [ByteArray] to octal
+ */
+val ByteArray.oct get() = map(Byte::oct).joinToString(" ")
+
+/**
+ * Hex and Octal util methods for Int and Byte
+ */
+val Int.hex get() = Integer.toHexString(this).toUpperCase()
+
+val Int.oct get() = Integer.toOctalString(this)
+
+val Byte.hi get() = toInt() and 0xF0 shr 4
+
+val Byte.lo get() = toInt() and 0x0F
+
+/**
+ * Convert string to hex.
+ */
+val String.hex: String get() = toByteArray(Charsets.UTF_8).hex
+
+/**
+ * Convert String to octal
+ */
+val String.oct: String get() = toByteArray(Charsets.UTF_8).oct
+
+/**
+ * IPV4 regex pattern
+ */
+val ip_regex = "^((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$".toRegex()
+
+val String.isIPv4 get() = matches(ip_regex)
+
+/**
+ *  Create an MD5 hash of a string.
+ */
+val String.md5 get() = hash(toByteArray(Charsets.UTF_8), "MD5")
+
+/**
+ *  Create an SHA1 hash of a string.
+ */
+val String.sha1 get() = hash(toByteArray(Charsets.UTF_8), "SHA-1")
+
+/**
+ *  Create an SHA256 hash of a string.
+ */
+val String.sha256 get() = hash(toByteArray(Charsets.UTF_8), "SHA-256")
+
+/**
+ * Decodes the base64 string to byte array. It removes all extra spaces in the
+ * input string before doing the base64 decode operation.
+ */
+inline val String.base64DecodeBytes: ByteArray
+    get() {
+        val str = replace("\\s+".toRegex(), "")
+        return Base64.getDecoder().decode(str)
+    }
+
+/**
+ * Trim the ASCII whitespace.
+ */
+fun String.trimAsciiWhitespace() = trim('\t', '\n', '\u000C', '\r', ' ')
+
+/**
+ *  Create an MD5 hash of [ByteArray].
+ */
+val ByteArray.md5 get() = hash(this, "MD5")
+
+/**
+ *  Create an SHA1 hash of [ByteArray].
+ */
+val ByteArray.sha1 get() = hash(this, "SHA-1")
+
+/**
+ *  Create an SHA256 hash of [ByteArray].
+ */
+val ByteArray.sha256 get() = hash(this, "SHA-256")
+
+/**
+ * Returns the byte size of the common binary suffixes.
+ */
+inline val Int.KB get() = this * 1024L
+inline val Int.MB get() = this.KB * 1024
+inline val Int.GB get() = this.MB * 1024
+inline val Int.TB get() = this.GB * 1024
+
+/**
+ * Returns human readable binary prefix for multiples of bytes.
+ *
+ * @param si [true] if it's SI unit, else it will be treated as Binary Unit.
+ */
+fun Long.toBinaryPrefixString(si: Boolean = false): String {
+    // SI and Binary Units
+    val unit = if (si) 1_000 else 1_024
+    return when {
+        this < unit -> "$this B"
+        else -> {
+            val (prefix, suffix) = when (si) {
+                true -> "kMGTPEZY" to "B"
+                false -> "KMGTPEZY" to "iB"
+            }
+            // Get only the integral part of the decimal
+            val exp = (Math.log(this.toDouble()) / Math.log(unit.toDouble())).toInt()
+            // Binary Prefix mnemonic that is prepended to the units.
+            val binPrefix = "${prefix[exp - 1]}$suffix"
+            // Count => (unit^0.x * unit^exp)/unit^exp
+            String.format("%.2f %s", this / Math.pow(unit.toDouble(), exp.toDouble()), binPrefix)
+        }
+    }
+}
+
+/**
+ * Returns human readable binary prefix for multiples of bytes.
+ *
+ * @param si [true] if it's SI unit, else it will be treated as Binary Unit.
+ */
+fun Int.toBinaryPrefixString(si: Boolean = false) = toLong().toBinaryPrefixString(si)
+
+/**
+ * Get the root cause by walks through the exception chain to the last element,
+ * "root" of the tree, using [Throwable.getCause], and returns that exception.
+ */
+val Throwable?.rootCause: Throwable?
+    get() {
+        var cause = this
+        while (cause?.cause != null) {
+            cause = cause.cause
+        }
+        return cause
+    }
+
+/**
+ * Find the [msg] hash using the given hashing [algo]
+ */
+private fun hash(msg: ByteArray, algo: String): String {
+    val md = MessageDigest.getInstance(algo)
+    md.reset()
+    md.update(msg)
+    val msgDigest = md.digest()
+    return msgDigest.hex
+}
+
+/**
+ * Pad this String to a desired multiple on the right using a specified character.
+ *
+ * @param padding Padding character.
+ * @param multipleOf Number which the length must be a multiple of.
+ */
+fun String.rightPadString(padding: Char, multipleOf: Int): String {
+    if (isEmpty()) throw IllegalArgumentException("Must supply non-empty string")
+    if (multipleOf < 2) throw  IllegalArgumentException("Multiple ($multipleOf) must be greater than one.")
+    val needed = multipleOf - (length % multipleOf)
+    return padEnd(length + needed, padding)
+}
+
+/**
+ * Normalize a string to a desired length by repeatedly appending itself and/or truncating.
+ *
+ * @param desiredLength Desired length of string.
+ */
+fun String.normalizeString(desiredLength: Int): String {
+    if (isEmpty()) throw IllegalArgumentException("Must supply non-empty string")
+    if (desiredLength < 0) throw IllegalArgumentException("Desired length ($desiredLength) must be greater than zero.")
+    var buf = this
+    if (length < desiredLength) {
+        buf = repeat(desiredLength / length + 1)
+    }
+    return buf.substring(0, desiredLength)
+}
+
+/**
+ * Centers the String in a larger String of size [size].
+ * Uses [padChar] as the value to pad the String.
+ */
+fun String.center(size: Int, padChar: Char = ' ') = when {
+    size > length -> {
+        val pads = (size - length) / 2
+        padStart(length + pads, padChar).padEnd(size, padChar)
+    }
+    else -> this
+}
+
+/**
+ * Deletes the files or directory (recursively) represented by this path.
+ */
+fun Path.delete() {
+    if (Files.notExists(this)) {
+        return
+    }
+    if (Files.isDirectory(this)) {
+        Files.walkFileTree(this, object : SimpleFileVisitor<Path>() {
+            override fun visitFile(file: Path, attrs: BasicFileAttributes) = let {
+                Files.delete(file)
+                FileVisitResult.CONTINUE
+            }
+
+            override fun postVisitDirectory(dir: Path, exc: IOException) = let {
+                Files.delete(dir)
+                FileVisitResult.CONTINUE
+            }
+        })
+    } else {
+        Files.delete(this)
+    }
+}
+
+/**
+ * Exits the system with [msg]
+ */
+fun exit(status: Int, msg: (() -> String)? = null) {
+    if (msg != null) {
+        println(msg())
+    }
+    System.exit(status)
+}
+
+/**
+ * Returns the jar [Manifest] of the class. Returns [null] if the class
+ * is not bundled in a jar (Classes in an unpacked class hierarchy).
+ */
+inline val <T : Any> KClass<T>.jarManifest: Manifest?
+    get() {
+        val res = java.getResource("${java.simpleName}.class")
+        val conn = res.openConnection()
+        return if (conn is JarURLConnection) conn.manifest else null
+    }
+
+/**
+ * Returns the jar url of the class. Returns the class file url
+ * if the class is not bundled in a jar.
+ */
+inline val <T : Any> KClass<T>.jarFileURL: URL
+    get() {
+        val res = java.getResource("${java.simpleName}.class")
+        val conn = res.openConnection()
+        return if (conn is JarURLConnection) conn.jarFileURL else conn.url
+    }
+
+/**
+ * Common build info attributes
+ */
+enum class BuildInfo(val attr: String) {
+    Author("Built-By"),
+    Date("Built-Date"),
+    JDK("Build-Jdk"),
+    Target("Build-Target"),
+    OS("Build-OS"),
+    KotlinVersion("Kotlin-Version"),
+    CreatedBy("Created-By"),
+    Title(Attributes.Name.IMPLEMENTATION_TITLE.toString()),
+    Vendor(Attributes.Name.IMPLEMENTATION_VENDOR.toString()),
+    AppVersion(Attributes.Name.IMPLEMENTATION_VERSION.toString())
+}
+
+/**
+ * Returns the [BuildInfo] attribute value from jar manifest [Attributes]
+ */
+fun Attributes?.getVal(name: BuildInfo): String = this?.getValue(name.attr) ?: "N/A"
+
+/**
+ * Add property delegates which call get/set on the given KProperty reference
+ *
+ * var foo: String by ::fooImpl
+ *
+ * var fooImpl: String
+ *         get() = ...
+ *        set(value) { ... }
+ *
+ * @see - https://youtrack.jetbrains.com/issue/KT-8658
+ */
+operator fun <R> KProperty0<R>.getValue(instance: Nothing?, metadata: KProperty<*>): R = get()
+
+operator fun <R> KMutableProperty0<R>.setValue(instance: Nothing?, metadata: KProperty<*>, value: R) = set(value)
+
+operator fun <T, R> KProperty1<T, R>.getValue(instance: T, metadata: KProperty<*>): R = get(instance)
+
+operator fun <T, R> KMutableProperty1<T, R>.setValue(instance: T, metadata: KProperty<*>, value: R) = set(instance, value)
\ No newline at end of file
diff --git a/src/main/kotlin/io/github/kutils/logger.kt b/src/main/kotlin/io/github/kutils/logger.kt
new file mode 100644
index 0000000..6969d32
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/logger.kt
@@ -0,0 +1,18 @@
+package io.github.kutils
+
+/**
+ * @author atistrcsn - 2017
+ */
+
+import mu.KLogger
+import mu.KotlinLogging
+import kotlin.reflect.full.companionObject
+
+inline fun <reified R : Any> R.logging(): KLogger = KotlinLogging.logger { }
+
+fun <T : Any> unwrapCompanionClass(ofClass: Class<T>): Class<*> =
+        if (ofClass.enclosingClass != null && ofClass.enclosingClass.kotlin.companionObject?.java == ofClass) {
+            ofClass.enclosingClass
+        } else {
+            ofClass
+        }
\ No newline at end of file
diff --git a/src/main/kotlin/io/github/kutils/string.kt b/src/main/kotlin/io/github/kutils/string.kt
new file mode 100644
index 0000000..fd5362b
--- /dev/null
+++ b/src/main/kotlin/io/github/kutils/string.kt
@@ -0,0 +1,8 @@
+package io.github.kutils
+
+/**
+ * @author atistrcsn - 2017
+ */
+fun String.truncate(noOfChars: Int): String = substring(0, Math.min(length, noOfChars))
+
+fun String.truncateEllips(noOfChars: Int): String = if (length > noOfChars) truncate(noOfChars).dropLast(3).plus("...") else this