Removed: obsolete js code.
Started: changing created_at -> publish_at
Fixed: ip was not being passed as arg.
Changed: sub screen names are in main screen name table.
Removed: type_id for screen name creation
Started: removing Bot model
Fixed: unique screen name validation
Added: Screen_Name_Sub test files. Test helpers re-factoring
Replaced: constants with instance vars
Started: removing Bot_Use
Refactored: test DSLs
Added: SN Sub create test
Added: test for same sub sn, different owner
Added: test for removing invalid chars.
Added: test for dup sub screen name
Refactor: constants -> instance vars
Added: Permission model
Merged: Chit_Chat_To table into Permission
Added: Last_Read_At model.
Dev check