Merge pull request #10 from cameronbracken/master

Fix for when a single path is passed into separatePathParts
Warn if the DSS file being opened is being created.  Optionally, raise an error.
Merge branch 'master' of http://github.com/eheisman/DSS-Rip
!!! Changed behavior of getFullTSC !!!
Old getFullTSC function now called getLooseTSC.
Add metadata to DT object with getMetadata function (now used in tsc.to.xts too). Also move the tsc.to.dt function.