SimpleState values init to _HUGE

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Changed function return type for successive_substitution to make agree with others in that namespace

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

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added h and s to hs_anchor state

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
H & S Ancillaries use value minus value at anchor state

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
When changing reference state, hs_anchor is updated, and ancillary curves still work!! woohoo

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added preliminary tests for saturation properties

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

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Added two-phase enthalpy and entropy calculations based on vapor quality weighting of saturation properties.  Fixed some bugs associated with that.

Signed-off-by: Ian Bell <ian.h.bell@gmail.com>
Merge branch 'master' of https://github.com/coolprop/coolprop
Merge branch 'master' of https://github.com/coolprop/coolprop
Merge branch 'master' of https://github.com/coolprop/coolprop
Merge branch 'master' of https://github.com/coolprop/coolprop
Merge branch 'master' of https://github.com/coolprop/coolprop
MATLAB 32-bit builder fixed

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