added support to update free text while overrride the score
Merge pull request #4 from skpcharles/master

Added supprot class group implementation
added NP check while updating the free text
Merge pull request #3 from sheebans/master

added support to update free text while overrride the score
Changed paremeter type
Merge branch 'master' of https://github.com/Gooru/Gooru-Core-API
Added fix for collaborator issue in google signin user