v0.4.2b1

What's Changed

• Add manual mode feature by @noppanut15 in #31
• Add an option to hide the minus sign from the depth display by @noppanut15 in #32
• Add exception handlers for negative depth/time values by @noppanut15 in #33
• Add docstrings for mock functions by @noppanut15 in #34
• Change the banner color to plain white by @noppanut15 in #35
• Add the Donate My Dive section and revise README by @noppanut15 in #36
• Update the development status and description by @noppanut15 in #37

Full Changelog: v0.4.1a1...v0.4.2b1