First version of Activities models and server fetch
Renamed variable
Added Activity snippet parsing
Added Snippet class
Removed unused variables
Added contentDetails and parsing
Added publishedAt snippet parsing
Added iso8601==0.1.4 to requirements
Added thumbnails parse
Added contentDetails upload parse
Added contentDetails like parse
Added contentDetails favorite parse
Added contentDetails subscription parse
Added contentDetails comment parse
Added contentDetails playlistItem parse
Added contentDetails recommendation parse
Added contentDetails Bulletin parse
Added contentDetails social parse
Added contentDetails ChannelItem parse
renamed package