Removed unsupported features
Sandboxed, only Oracle survived
Removed System.IO.Error
Buildable setup (not working though)
Fixed cabal more-less to no warning
Util is buildable
Buildable more-less
Converted to hs
Converted to HS
Converter
Enumerator is not building
Buildable generic Enumerator
Buildable on Mac OS X with instantclient 11.2
Merge branch 'feature/7.6.3-build' into develop