Bumped version to 2.0.0 development
 * Next changes will introduced BC with old config and parameters
   system.
Major refactoring of API
 * Concept of project path has been renamed to current which more
   reflects the generalized apsect of this path.
 * Parameters now receives a hash of options and can now initialize
   its config object directly. This reduce integration for simple
   cases.
 * Renamed all options expected by Config object with better short
   names. This class is now immutable.
 * Added more doc block to core functions and methods.