Remove deprecated nhdplusTools functions

See merge request !175

minor fixes

See merge request !174

00 download works now fixes #121

Closes #121

See merge request !173

Clean up and fix issues in reference flowline creation

See merge request !171

remove unneeded attributes, fixes #126. add missing flowlines from burn line event, fixes #125 fixes #123. Remove duplicate comid rows, fixes #124.

moved some code around

See merge request !170

Updates through 07_merge

See merge request !169