Fix tag override from force push

I force pushed over an old commit which has a 3.2 tag and github is choosing to reference that one instead

Hanging Error Fix

Fixed process hanging on empty and nonexistant columns

Support for multiple columns and multiple labels

Configuration supports multiple columns and multiple labels

v2.1

• Throttle large number of requests
• Fix debug max page value

v2

• number of cards issues to label no longer limited to 100
• refactor code into functions
• process exits on fatal errors
• columns can be specified using project name and column name
• a summary of labeling and errors are printed in the output
• documentation for code and bot usage