QuickUMLS v.1.4 (Georgetown-IR-Lab#55)

Release Notes:

- [NEW] Added support for [unqlite](https://github.com/coleifer/unqlite-python) as an alternative to leveldb for storage of CUIs and Semantic Types. This allows creating multiple QuickUMLS matchers with from the same installation.
- [NEW] added support for conversion of all uppercase words ([Georgetown-IR-Lab#48](Georgetown-IR-Lab#48), thank you sandertan@!).
- [NEW] Automatically downloads SpaCy data for selected language if missing.
- [FIX] Mitigated [Georgetown-IR-Lab#52](Georgetown-IR-Lab#52).

Added support for pip install (Georgetown-IR-Lab#47)

Fixes Georgetown-IR-Lab#18.

support for CygWin or MinGW

Merge pull request Georgetown-IR-Lab#29 from Georgetown-IR-Lab/issues/28



fixes for issue Georgetown-IR-Lab#28

missing write mode

Merge pull request Georgetown-IR-Lab#15 from Georgetown-IR-Lab/v1.2

fixed error in installation with python 2

added initial support for windows

bugfix: six -> six.moves

Merge pull request Georgetown-IR-Lab#7 from Georgetown-IR-Lab/v1.2

V1.2

directories are now properly created