* simplify index API a bit
* fix fulltext index removal performance, simplified code
* updated CHANGELOG
* fix hanging test
* try to fix shutdown problem
* improve fulltext query performance
* fixed duplicate var
* removed obsolete code
* fix some shutdown races
* do not call ensureIndex that often
- split utility functionality into its own file
- add module loader so we can have modules
- move all testsuites into own files
- remove complicated testcase joining / splitting methods