implemented additional vector in Property to store correctly ordered set of Parameters
added parameters for orthotropic elasticity
added some debugging output for property sorting diagnostics
minor cosmetics
minor cosmetics
changed sorting of properties
added new log level 'fatal'
added log level to output message
removing an 'old' property from a material now uses dedicated method
migration to NQLog framework
migration to NQLog framework
migration to NQLog framework
minor cosmetics
migration to orthotropic parameters
added debugging output
added 'instantaneous' to property name