remove RUby 2.1 syntax. Closes #144.
remove RUby 2.1 syntax. Closes #144.

mfenner/alm-report,mfenner/alm-report,articlemetrics/alm-report,lagotto/alm-report,articlemetrics/alm-report,articlemetrics/alm-report,mfenner/alm-report,lagotto/alm-report,lagotto/alm-report