FITIn: reverses table element order for bit patterns
FITIn: adds Lua-persisting features for special cases
FITIn: changes loading Lua packages to match namespaces
FITIn: passes arch info to flip_value

We need that for generic cases, such as the tests.
FITIn: changes Lua's number format from long to Long

Works fine on 32bit as well.
Revert "FITIn: passes arch info to flip_value"

This reverts commit 53602faa345aa2245bc717a6d5d15b5882c0f09b.
FITIn: updates tests suite for Lua and modern gcc
FITIn: skips instrumenting new SBs after a disabling request
FITIn: updates README, adds Lua sample script