Include any "require" entry in rules quoted within the workbook.
Remove "require" feature from rulesets.  Use the requiredModulesForRuleset method (in CDCM::Master) instead.
Change folder layout (again). Fix a minor issue introduced by DCP 130 in a CDCM model with no options.
Add optional energy charges to EUoS.
Unvalidated '.' descriptions in rules files. Minor rule changes. Folder reorganisation.
Reorganise/relabel some CDCM rules.
Reorganise and relabel some rulesets.
Bring back missing table 1201 data into TestData.
Update README and tidy up data.