REIMPLEMENTATION grammata v0.2.0.23

edited documentation of the language module.
    Grammata.Language

modified module imports and exports within the language module in favour of more clarity.
    Grammata.Language

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Changes to be committed:
	modified:   grammata.cabal
	modified:   src/Grammata/Language.hs
	modified:   src/Grammata/Language/Expression.hs
	modified:   src/Grammata/Language/Functional.hs
	modified:   src/Grammata/Language/Imperative.hs
	modified:   src/Grammata/Language/Logical.hs
	modified:   src/Grammata/Language/Program.hs
	modified:   src/Grammata/Language/Value.hs