Merge pull request #92 from dblodgett-usgs/master

Logging clean up.
Repackaged pygdp and changed names in all files and imports accordingly. Changed search term in CSW test to improve.
Delete owslib.log
Merge pull request #93 from skochaver-USGS/master

Repackaged pygdp and changed names in all files and imports accordingly....
Added variable outputfname to _execute_requests and up. Allowsuser to choose an ouput file name, will default to previous naming convention if not given. Tests changed to reflect new variable.
Merge branch 'master' of http://github.com/skochaver-USGS/pyGDP
Merge pull request #94 from skochaver-USGS/master

Added outputfname for user defined output file name
Added user defined sleepSecs variable from _executeRequests. Sets the wait time between status checks.
Merge pull request #95 from skochaver-USGS/master

Added user defined sleepSecs variable from _executeRequests. Sets the wa...
Update CHANGES.txt
Added lines to pull up function docstrings to the top level of pyGDP
Merge pull request #96 from skochaver-USGS/master

Added lines to pull up function docstrings to the top level of pyGDP
Update version for release and add to changes.txt