Added some comments in BinaryComparisonOperator
Added more javadoc and comments to Projection
Updated javadocs: ArrayMatchExpression, QueryIterator
Added comment about possible but to RelativeRewriteIterator
Made rvalue private final in ValueComparisonExpression again.

This is mutable iff Value object is an instance of BoundValue.
Fix typo
Merge pull request #212 from bserdar/fix-typo

Fix typo
Metadata status comment is now optional
Merge pull request #216 from bserdar/metadata-status-comment-is-optional

Metadata status comment is now optional
Twewak to QueryExpression in review
Formatting of query-api
Optimized (cleanup) imports in query-api
Merge remote-tracking branch 'origin/master' into association-review-query-api
Merge pull request #218 from jewzaam/association-review-query-api

Updates to query-api in review