Added handling of indexer parameters (the "formal parameter list" of an indexer is treated the same way as a method parameter list)
Fixed rewriting of property setters (the CLS specifies the last argument, not the first argument as "value" parameter)
Added Indexers class to ApprovedTests
Refactorings in MethodProcessor, PropertyProcessor
Merge pull request #38 from ulrichb/IndexerParameters

Handling of indexer parameters