Added BigInteger (xsd:integer) support to ValueConvert
Merge https://github.com/lucmoreau/ProvToolbox
* RoundTripFromRdfTest rewritten to scan folders
* Fixed influencers in WasInfluencedBy
* AnyURI->QName fix.
removed old uw code
Merge pull request #63 from mikejewell/master

Add xsd:integer support to ValueConverter