Fix bug in lemma2synset mapping#9

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stephantul wants to merge 5 commits intocltl:masterfrom

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Commits on Oct 20, 2017

fix return of garbage words because of inclusion of None in mapping to synsets
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Commits on Oct 24, 2017

Complete restructuring
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Add gitignore, remove some garbage
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Remove some garbage which I accidentally added
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remove egginfo
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