small readme tweaks
updated describe block in account specs
updated describe block in misc specs
updated some variable names to be a little more clear
added the beginning of the video specs
added new mock responses and simplified the return value of mock send_request() method
updated account specs to use new spec helper format
added rake test task for video specs
updated and removed some comments
updated comments
added status and details methods
added specs for video status request
added mock responses for video details
fixed misspelling in video api url
added test for correct url to the account specs
added test for correct url to the video status specs
updated mock responses to return the opts argument to send_request() method
refactored spec helper
added get details specs
simplified names of private support methods in spec helper