Updated to next development version 0.4.3 -> 0.4.4-SNAPSHOT
Updated CHANGELOG for v0.4.3
Merge branch 'master' into develop
Implemented formatString(), a method to return a String representation which reflect pattern language for RDF* and TripleCondition.
Refactored Sparkparser: Parser results contain also (possible) warnings, better exception handling. Implemented unique identifier generation for each pattern
Updated handler to relfect changes in SparkPatternParser: SparkParserException and SparkParserResult
Improved exception handling for pre-process plugins: RDFFormatTransformer and XSLTTransformer
Refactoring in JoinNode: accessing indexstructure direclty through  JoinNodeTest
Implemented ID() function for outputNTTriples in Match class
Implemented a REST management interface for Sparkwave. It allows at runtime to load, unload and get patterns. Corresponding threads and queues are interrupted/removed to free
Updated CHANGELOG
[maven-release-plugin] prepare release v0.5