danaj/Math-Prime-Util — pull request #5 by bulk88 (2013-12-30 17:18:06+00:00)
Title: miscilanious

some of the _vcallsub usage, is followed by XSRETURN(1); I didn't touch those since IDK if the sub that _vcallsub calls returned a list, and you are truncating it to 1 element with XSRETURN(1) intentionally