Updated unique ID generation to respect the filtered length even if it is below our recommended minimum length.
1.3.7 Fixed backwards-compat issue with GF versions below 2.1 where Unique ID field label was visible on frontend. 1.3.6 Fixed backwards compatability issues with GF versions below 2.2.
Fixed notice generated when upgrading versions caused by use of deprecated Gravity Forms function. Updated GP_Boostrap to version 1.2.
