Added a simple helper method to streamline the user creation process.
Changed function name from createUser to signup.
Added updated minified version.
Updated function header docs to match how we document passing in a callback as a param.
Merge pull request #5 from mdobson/add-signup-helper

Add signup helper
updated readme and tests with new signin function
Whitelist null_pointer error so that custom entities with spaces in the name that don't exist are considered non existent. Also, URI encode the entity name.
Merge pull request #6 from mdobson/fix-null-pointer-error

Whitelist null_pointer error so that custom entities with spaces in the ...
Added create group method. Just a specialized wrapper around createEntity.
Added function to add user to group.
Fixing issue with adding user to group.
Testing change.
added documentation to group creation and adding users group.
Adding support for deleting groups.
Added remove user from group functionality.
Cleaned up and added documentation for creating and deleting groups, as well as adding and removing users from groups.
Added updates to the minified version of the SDK as well.
Added helper method to allow creation of user activities using a user enitity.
Fixed bug in login and loginFacebook where constructing an entity was broken.
Adding documentation for createUserActivityWithEntity.