fis in default unit selection
added 'viscosity' as unit
added 'Viscosity' as property type
added viscosity parameter
added support for std::string
changed definition for secant CTE property from instantaneous to secant
added 'secant' as property definition
added 'fluid' as property type and some fixes for viscosity property
added viscosity property
some debugging output added
some debugging output added
parameters can now be temperature independent
some debugging output added
now uses property definition when constructing correct property name
minor fix in parameter id generation
disable preference menu option
added method to delete one parameter set
added context menu and option to delete values from parameter
added ViscosityProperty
added NQLog for debugging output