Added Jupyter Notebook version

Full Changelog: v0.4.0...v0.5.0

New export options

Added graphviz dot and nexus as generated formats.

Besides:

• readme update
• TEI export adapted to schema v.3
• xslt added features

Changed CollateX-Engine

• CollateX-Engine changed
• Added options for algorithm, tokenComparator, distance
• Better HTML-Output (with extracted metadata)
• Better TEI-Output (omissions, orthographics)

Major update

• added Unicode normalization
• json input format now tokenized and normalized
• Needleman-Wunsch as aligner
• added JSON collation output for further processing with other tools
• added TEI output (with options to set title, editor and editor ID)
• more logging info