attempt to use DICOM tag from dictionary
force dereference of action
removed some of the compiler warnings
added a TryParse method to DicomVR to replace costly exception handling by simple checks at appropriate places
Merge pull request #63 from swalex/master

Replace DicomVR.Parse by DicomVR.TryParse where appropriate
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into portable