Issue #26: optimize for regexes that end in .* or .+
Issue #25: make number of FFX rounds configurable
Issue #25: we'll enable FFX as part of issue #23
Issue #26: comment + extra conditional based on feedback
Merge branch 'kpdyer-performance'
Merge branch 'master' of github.com:uProxy/libfte

Conflicts:
	src/fte/encrypting/ffx/ffx.cc
	src/fte/fte.h