Many big changes and additions

Wrench:
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Added new Metamap feature
Added 3 new string manipulation functions (merge, tolower, toupper)
Added smart pointers!! (mem_sPointer from Wrench_Memory.h)

Wrench-Lexicon:
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Introducing Wrench-Lexicon! (Lexicon is an extension of Wrench that
seeks to create a bridge between many different languages.)
Added Licensing for Lua and Python.
Added Lua source files and binaries (5.2.3 version) for future
implementation.
NOTE: Lexicon is not in a finished state at this moment. Lua nor Python
implementation have been added, only Lua's source and binaries.