Update all endpoints in the api_table, examples, READMEs

Also updated functions in twython.py to use pep8 functions instead of
camelCase functions
Update version
Update more old function names in README
Catch the four methods that won't get caught with our deprecation fix
Merge pull request #188 from ryanmcgrath/pep8-functions

Update all endpoints in the api_table for PEP8 functions, examples, READMEs, etc