* commit '6d36a5b0':
  refactor and fix memleak
  fix memleak
  add C API tests for datasets
  refactor error handling
  refactor C API
  add tests for consumer C API, fix bugs
  fix memory leak in test
  remove unistd.h dependency
  add some missing funtions
  add tests for C, fixed some places
  switched C code to snake_case
  now with generc asapoString and some more functions
  more consumer functions, now also with Doxygen doc
  c-api version that does compile
  c header wityh reasonable content
  now with simple consumer example
  new header and glue code for C api
  c header wityh reasonable content
  now with simple consumer example
  new header and glue code for C api

* commit '85e2141b':
  add python functions, add tests
  refactor producer -blocking request
  return  tests
  implement update operation
  fix tests
  refactor mets scheme
  fix tests, refactor
  add replace/ingest meta modes, fix tests
  add python api, tests
  fix tests
  fix tests
  fix build and test
  fix build
  update receiver
  update producer