Added more input/out variables, added comments for calculation workflow
Added units, initial engineering calcs
Further developed LMTD workfow
Merge remote-tracking branch 'refs/remotes/JustinHyperloop/master'
Updated Nusselt Number Calculation
Added Multi-Pass Correction Factor
Added NPSS Heat Exchanger, Fixed variable scope issues in hE.py
add basic water required calc to cycle model
Merge remote-tracking branch 'refs/remotes/JustinHyperloop/master'
ignore run*.bat
Merge pull request #2 from jcchin/master

Heat Exchanger Stuff