added isint() function
added isint() function

jheusser/csvfix,ausonweng/csvfix,ausonweng/csvfix,mcenirm/csvfix,mcenirm/csvfix,mattgascoigne/csvfix,mcenirm/csvfix,jheusser/csvfix,jheusser/csvfix,mattgascoigne/csvfix,ausonweng/csvfix,mattgascoigne/csvfix