Webmock 1.12 breaks query parameter compatibility, can't dupe Symbol/Fixnum when it tries to match a request signature.  Lock to < 1.12 for now.
Merge pull request #415 from smarterclayton/to_stage_fix_builds

[TO_STAGE] Webmock 1.12 breaks query parameter compatibility, can't dupe Symbol/Fixnum when it tries to match a request signature.  Lock to < 1.12 for now.