Fixed saturation line plotting
Added error message suggesting to install the 64bit Refprop DLL, changed the Modelica wrapper to throw an error for unimplemented functions
Fixed water conductivity - now properly validated again

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Fix return val when p or s is cached in CoolPropStateClass

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added check for speed of sound as output from class

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Fixed all the _err_string warnings calls in python wrappers

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Merge branch 'master' into unitfied
Correct units for speed_sound

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Fixing unit handling for REFPROP function

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
REFPROP now uses fully condensed code - checking needed still

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Fixed unit bugs in T(P,D) and T(P,D) with peng robinson

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
1000 to 1000.0 - shouldn't change anything though...

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>