Encoding Fix, Remove Python 2 support

• Fix snapraid output encoding handling (by hyyz17200, #31)
• Fix log rotation (by ptoulouse, #36)
• Handle errors in snapraid diff
• Remove python2 support

Python3, SMTP TLS & snapraid touch

• Compatibility with python3 (by reed-jones)
• Support for running snapraid touch (by ShoGinn, PR-11)
• Add SMTP TLS support

Limit Email Sizes

• Limit the size of emails

Snapraid 8.0 support

• Fix compatibility with Snapraid 8.0
• Improve various error messages
• Minor bugfixes

Initial Release

v0.1

Added license and readme