Kaggle/Reactome: added configurable params
added configurable producer timeout
Added safeguard parsing of produced xml to catch badly escaped illegal characters (eg etf: \001 escaped as ). Changed harvesting thread execution from ThreadExecutor to Thread.Start
Kaggle/Reactome: factored out file write procedure
added more logging and removed fair option from blocking queue
Updatged string identifier type reference to use enum
added main classes to verify the content collected from Kaggle and Reactome
Added default empty dataset document serialization for endpoints where no dataset can be retrieved
Corrected Creation Date format
deleted dead code. shouldn't have been commited in the first place
Added schema.org harvesting plugin. Supports sitemapindex files and api listing calls to retrieve endpoints list