Added support for cursormark
Another test for stats parsing
Disallow construction of CursorMark.
It's a value managed by Solr only, not by the client.
Added cursormark documentation
Fix some typos. Better docs
Enforce "cursor or start" constraint in the type system.
Merge CursorMark into StartOrCursor.Cursor
Update CursorMark.md
Update Querying.md
Merge branch 'cursormark'

Conflicts:
	Tests.fsx
Move InternalsVisibleTo attribute to separate file.
To prevent it from being overwritten.
Collapse-expand feature added
CollapseExpandParser tests added
Collapse/expand issues fix
Facet "threads" parameter support added
Added some grouping parameters
Minor doc change
Merge branch 'facet-threads' of git@github.com:ny6asik/SolrNet.git
Minor doc change
Minor doc changes