Changed configuration file name
Fixed mixed tabs and 4-space tabs
New settings format (As a dictionary for custom
user email servers)
Added loading of settings from the dictionary
Added new line at the end of the file (PEP8)
Corrected the documentation for all changes
Fixed code blocks in the README file
Removed the hardcoding of the python location
Merge pull request #1 from Darayus/improvements

General overall improvements