wrapping hydraulics into separate struct, fixing pumpLinkIndex bug
updating global var to pointer
new api functions.

old functions are slim wrappers that grab the default global model and
pass it into the new api equivalent
opaque struct and add includes
renaming the model struct

for scoping compatibility with RTX.
also, fixed a crashing issue with writing an error message.
version number
change OW_Model to OW_Project

to be similar to SWMM
ignore xcode checkout file
xccheckout
minor formatting
fix insane crashing
Merge pull request #19 from samhatchett/obj_wrap_pre_inp

Object wrapped fixes, name changes