initial attempt to POST a request for dl because the OGC XML filters are too long for a GET URL
minor refinement but necessary
Merge pull request #35 from duselmann/NSM-228

Nsm 228
NSM-227 new requirement to also dl daily flow data for discrete sites if daily sites are not requested
Merge pull request #36 from duselmann/NSM-227

NSM-227
revert
Merge pull request #37 from duselmann/NSM-227

NSM-227 revert
change min yr to 1896 from 1900
Merge pull request #38 from duselmann/1896yr

change min yr to 1896 from 1900
change min yr to 1850 from 1896
Merge pull request #39 from duselmann/1896yr

change min yr to 1850 from 1896
change another 1900 to 1850
Merge pull request #40 from duselmann/1896yr

change another 1900 to 1850
revert to 1990
revert to 1900
Merge pull request #41 from mwarren-USGS/master

revert back to 1900