Moved gzip handling to Dictionary repository
HSpellLoader now contains all of HSpell handling
fixes https://github.com/synhershko/HebMorph/issues/22
fix Lemma.equals()
Static variables initialization
Tokenizers no longer interact directly with HSpell.
This means that a user must load a Dictionary from wherever he wants, and Tokenizers no longer create any of them.
Merge pull request #23 from EgozyN/newfileformat

Merging "separating loading from core"