wrapped all Types for StarExec in StarExec.Types
  -> refactored all affected modules
refactored StarExec.Commands and splitter it up into several smaller modules
  -> StarExec.Connection (sending a request to the StarExec-Server)
  -> StarExec.Persist (managing persistent operations with the DB)
  -> StarExec.Jobs (finding Jobs in the hierarchy)
  -> StarExec.Prims (getting primitives from the StarExec-Server => Jobs, Solver, Benchmarks, User, Spaces)
  -> StarExec.Session (managing session-data)
  -> StarExec.Urls (all urls and their creation)