Fix lib/verstr.Less() so that shorter strings compare as less.
Fix lib/verstr.Less() so that shorter strings compare as less.

keep94/Dominator,Symantec/Dominator,keep94/Dominator,rgooch/Dominator,Symantec/Dominator,keep94/Dominator,Symantec/Dominator,rgooch/Dominator,rgooch/Dominator