Added basic Sparql parser.
Fixed typo in file name.
Added support and test for parsing DISTINCT
Improved parser tests.
Added support and test for the UNION keyword.

It is only supported on the highest level.
Added support and test for LIMIT parsing.
For now not supporting literals.
Allowing for # in urls.
Added test for rudimentary order by parsing.
Merge branch 'sparql-parser'
On the way to advanced query support.
Intermediate commit towards more Sparql features.
Fixed parser tests.
Finished transformation from parse to TR.
Supporting simple queries with Sparql.
Merge branch 'sparql-features'