[seek-dev] [Bug 1174] New: - enable missing value token handling

[bugzilla-daemon@ecoinformatics.org]

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=1174

           Summary: enable missing value token handling
           Product: SEEK
           Version: unspecified
          Platform: Other
        OS/Version: other
            Status: NEW
          Severity: normal
          Priority: P1
         Component: ams
        AssignedTo: berkley at nceas.ucsb.edu
        ReportedBy: berkley at nceas.ucsb.edu
         QAContact: seek-dev at ecoinformatics.org


need to make the ptolemy tool handle missing values in a data stream.  currently
it throws an exception when it tries to cast the token because the value is invalid.