Add line tokenizer to CLTK (cltk#530)

* Add line tokenizer with tests

* Fix line tokenizer return

* Update docs to include line tokenizer

* Fix code block in docs

replace long_description in setup to fix install error

bump vers to 43

bump vers for oe fix

Merge branch 'master' of https://github.com/cltk/cltk

do very light cleanup to macronizer

bump vers

added indian_syllabifier, test_indian_syllabifier and indian_tokenizer (

cltk#316)

* added indian syllabifier and tokenizer

* added syllabifier, tokenizer and tests

add cltk_normalize docs

mv lapos note