Sklearn-recommender

Updated file and error handling

* added caching in user home dir
* added warnings for missing files

* Fix: Fixed bug that changed embeddings over usage time
* Made usage of random more predictable
* added warnings for missing words and random usage

Improved Glove Embeddings

* Implemented Vector Normalization to avoid large vectors due to random data

Initial Release

* Created basic structure
* Made package available on PyPi (`pip install sklearn-recommender`)
* See readme for tutorials