removed some old lemontiger declarations.
fixed the getstatistic api call -- should return floattype by ref
ENsetbasedemand() and ENsetnodevalue() - added ENsetbasedemand to allow changes to the base demands for each demand category. Changed behavior of ENsetnodevalue when used with EN_TANKLEVEL to also set the volume in addition to the initial volume (similar to how it sets the initial head and head. Without that, we can't reset the tank head and volume from RTX.
tank geometry and curve time series
added getter for curve id
adding debuggable conditionals, fixing lemontiger bug

… reorientsegs was borked
header file declarations illuminated for better IDE code completion
updated some variable names to make the code a bit more self-documenting
Merge pull request #7 from samhatchett/next

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