* commit 'cca1b644':
  Release the Python GIL for all IO operations

* commit '16ff4907':
  fix memory leak, add test

* commit 'cf6ce9d6':
  update nomad tests
  update getlat test for datasets
  producer only nomad
  updated nomad tests

* commit 'd62dd441': (26 commits)
  filegen producer - multisource datasets
  fix leak
  filemon producer works with batch datasets
  fix test
  fix tests
  implemented retrieving data from given fileinfo
  windows tests
  windows tests
  python interface for datasets
  fix win test
  remove http test bad address
  win test
  win test
  implemented getlast, getbyid for datasets
  fix windows test
  added integration test for datasets
  broker ready
  datasets implemented in worker C++ api
  fix windows test
  fix windows test
  ...

* commit 'e3c37000':
  added order by statement
  added integration tests for user metadata
  do not use put_time
  do not use get_time
  convert time functions
  parse broker response into fileinfos
  fix
  fix
  refactor worker errors
  started working at broker
  finished broker
  more work at SQL parsing
  finished for comparison operator
  parse simple queries
  work ar sql parser
  started working at broker