Added adjustable key cache limit, reduced calls
Added adjustable key cache limit, reduced calls

csburton/Stash,bankiru/Stash,tedious/Stash,AndrewCarterUK/Stash,alawnchen/Stash,tedious/Stash,csburton/Stash,andrerom/Stash,jaredtking/Stash,localheinz/Stash,graphis/Stash,graphis/Stash,localheinz/Stash,theUniC/Stash,alawnchen/Stash,theUniC/Stash,bankiru/Stash,andrerom/Stash,jaredtking/Stash,AndrewCarterUK/Stash