Expose Schema at top level

Author: hardbyte

clkhash/__init__.py

@@ -1,6 +1,7 @@
 import pkg_resources
 
 from . import bloomfilter, field_formats, key_derivation, schema, randomnames, describe
+from .schema import Schema
 
 try:
     __version__ = pkg_resources.get_distribution('clkhash').version

clkhash/schema.py

@@ -67,7 +67,7 @@ def __init__(self,
         # type: (...) -> None
         """ Create a Schema.
             :param fields: the features or field definitions
-            :param l: The length of the resulting hash in bits. This is the
+            :param l: The length of the resulting encoding in bits. This is the
                 length after XOR folding.
             :param xor_folds: The number of XOR folds to perform on the hash.
             :param kdf_type: The key derivation function to use. Currently,