Created some functions to support NWC scripts that calculate statistics by groups for HUC12s. Fairly generalized.
Some debugging and addition of functions for NWIS.
Got collate right
messed up NAMESPACE file
Got the package installing locally.
Refactored according to JWs advice.
error in exports
error in Rd page.
Missed a file save.
Fixed a line in Rd file.
Merge pull request #2 from dblodgett-usgs/master

Functions for WPS algorithms to calculate stats by group.