Added departure functions from Gernert

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added Gernert binary pairs and conversion script

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Updated departure functions for Gernert

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

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added R134a/R245fa mixture parameters

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added mixtures of R32 and R1234yf and R1234ze(E)

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

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Integrated CMake into python's setup.py

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Merge branch 'master' of https://github.com/coolprop/coolprop