PEP8 fixes
made commads case insensitive
added useful default commands
Added support for pm and learning to respond to sentences
Added welcome message on join and forget command
Adding command requires double quotes now. always.
Added feed based commands and some default commands
the bot should not welcome itself
Do not mention 5 explicitly
Added more default commands and support for multi word feed command
Channel name change
A more helpful welcome message
Format editing
formating change and make the help message more clear
Bug fix
Formating change
Improved 'who are you' response