fixed rate_limit fxn
added test for rate_limit fxn, #7
added user of the commit to commits print method
added commits test
fixed missing optional browse param in gist_create
added example files to create gists from pkg
added delete test
added embed test
removed files param from edit fxn
added zoo.json examples file
added edit fxn test
fixed delete test
bumped date and ver
fixed delete test for real this time