new endpoints, fixes

This release adds and fixes a few things

Additions

• The /ajit endpoint has been added
• The /clown filter was added as a valid filter for /snapchat/
• The /klines endpoint was added
• Added better annotations to the functions

Fixes

• Fixes wrong example in glitch_example.markdown
• Fixes functions returning strings instead of PxlObjects when checking for valid endpoint choice. This would cause checks to break