Cleanup: float index and unused variables #32
Merged
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I started this PR to fix the extremely minor issue of using a float as an index (mentioned in #29). While I was at it, though, I also cleaned up some other extremely minor issues reported by compiling with -Wall (some unused variables and all instances of tabs). None of these should have any effect on the actual model. There's a chance the unused variables indicate something that is unintentionally not included in the current source, though.