Length or Diameter = 0

[rb004f]

Add a data check for pipes with length = 0 or diameter =0 that at least logs an error message.

[rb004f]

Length=0 is implemented. D = 0 should decouple pressures on either side of the pipe. Might implement a data correction remove all pipes with D =0 as they should have no flow.

[adammate]

See Issue #272 that is somewhat related. Having data checks and warning notices is desired: it should not be the practice that we correct data for a User (often without warnings and details), rather terminate parsing if key data is missing/incorrect in a model (with enough information needed to address issue).

[skylerreid]

I have implemented a fix for both of these issues in PR#279