Merge branch 'r-0.1'

* r-0.1:
  Some simple queries -
  Remake session and database. Added Edge support
  private
  Added cursor support to execute AQL queries
  Added basic DELETE,GET,POST,PATCH,PUT to doc in collections
Merge branch 'r-0.5'

* r-0.5:
  transactions improve and bug fix
  cursor functions
  database test - model
  added model interface - validation and hooks
fixed collection exist
Merge branch 'r-0.6'

* r-0.6:
  fixed collection exist
  need to improve test
  time in cursor - newcollectionoptions
  small changes
  test
  FetchOne only bool to make iteration easier - set index only once
  fix aql query
  drop/create/truncate collection
  added collection option helpers and fix patch document
  added document and some simple queries
  need to redo test files
  Fixed some errors - added Database management
Update README.md
Update README.md
Update README.md
example test