Livefyre

*** CAUTION: THIS VERSION HAS UPDATED METHODS THAT MAKE PREVIOUS FUNCTION CALLS OBSOLETE ***
* Jumped from 1.1 to 1.3 to match other libraries.
* Added personal stream and timeline support.
* Added create_collection method.
* Updated majority of API calls to use SSL.
* Updated checksum formula to match other libraries.
* Refactored core objects.
* Updated create_collection_meta to take in a dict of optional params.

* Added rating, counting as acceptable types.
* Removed stream_type as it was no longer needed.

* Renamed stream to s_type.
* Added checks to make sure that type is of a recognized type.
* Added support for legacy variable stream_type.

* Fixed url validator.
* Added utility class.

* Moved build_checksum into its method.

* Added get_collection_id method.
* Added checksum to buildCollectionMetaToken.
* Changed method name from buildLfToken to buildLivefyreToken.