Fix silent failure issue with short (<4 chars) flags.
reformatted -I match cond a bit, pulled (length tk) out into a let var
Merge branch 'Georgiy-Tugai-master'

* Georgiy-Tugai-master:
  reformatted -I match cond a bit, pulled (length tk) out into a let var
  Fix silent failure issue with short (<4 chars) flags.
v0.4.15