methodic :
- initial dev. version
 - version 0.1 (unstable)
	Romain GEORGES
- initial finished release
 - version 0.2 (testing, released)
	Romain GEORGES
- documented, specified and tested first production release
 - version 1.0 (RC)
	Romain GEORGES
   - WARN : DEPRECATED : (NO COMPATIBILITY) method #specify_default_value_of become #specify_default_value
   - WARN : DEPRECATED : (NO COMPATIBILITY) method #specify_defaults_values_of become #specify_defaults_values
   - NEW : validate_known_options flag in Mehodic::get_options (second args)
   - NEW : #specify_known_option and #specify_known_options for exhaustive options control (see manual)
- patched version
 - version 1.1 (RC2)
	Romain GEORGES
- stable version ( production ready)
 - version 1.2 (depricated)
	Romain GEORGES
   - NEW : conditions support see manual
 - version 1.3 (STABLE)
  - update for compatibility