Making the data structures inside DMLWrapper global. My guess is that it's going to break once we package it, but I had to try.
Merge dev into feature/1121-global-dmlwrapper
Merge pull request #1146 from SalesforceFoundation/feature/983-data-importer

assorted miscellaneous fixes
Merge dev into feature/1121-global-dmlwrapper
Merge pull request #1142 from SalesforceFoundation/feature/1121-global-dmlwrapper

Making the data structures inside DMLWrapper global.
Merge dev into feature/983-data-importer