Initial beta release

• Add Spacy PoS capabilities.
• Refactor codebase to use Flask blueprints for better code organization.
• Provide ability to pass some Tesseract settings via api such as oem and psm.

Spacy sentence and named entity support

• Provide basic support for retrieving sentences and named entities via spacy.
• Add ability to upload a pdf (only first page of pdf currently used).
• Add ability to send text to Spacy insteda of a file.

Basic spacy integration

Provides an api endpoint for having spacy process an image and return sentences.

Basic OCR of images

• Tesseract / pytesseract image ocr exposed as api endpoint.
  NOTE: this only works with images. Upcoming pdf support.