added xlsx
updated lab result importer to add end time
add template for negated medication discharge
New test module for roundtrip created
Merge branch 'develop' of http://github.com/projectcypress/health-data-standards into develop
refactored cat1 importer to pass ABC complexity test
moved xls value set parser out into bonnie
adding QRDA text to test Continuous Integration scripts
updating README with additional information about libs that were added to HDS
Added OID to Barry Berry's colonoscopy
Merge remote-tracking branch 'ah/develop' into develop
Removing a pry statement
tabs to spaces
Moving functionality from the Measure model in popHealth over into the model here.
Pushing latest to feature branch
adding hl7 schemas and schema validation of cat I export.  Modified cat1 result template to only render unti attribut if there is an actiual unit value not just an empty string.  updated template _2.16.840.1.113883.10.20.24.3.76.cat1.erb to deal with elements that were out of order
Merge branch 'develop' of github.com:projectcypress/health-data-standards into develop
Fixing an issue where we were not converting seconds since the epoch to an HL7 timestamp. Closes CYPRESS-22
Merge remote-tracking branch 'cy/develop' into develop
Latest roundtrip code