Added changeset O2 to the API, defining character restrictions for several strings
added initial identifiers section
Added changeset Q: the optional :update_users action
Merge pull request #15 from wvdemeer/googledoc3-changesetO2-characterRestrictions

Adopted changeset O2, defining character restrictions
some improvements in the Return Structure section
some improvements in the Operations on Individual Slivers section
some improvements in the Sliver Allocation States section
some improvements in the Sliver Operational States section
some improvements in the Documenting Aggregate Additions section
Merge pull request #22 from wvdemeer/general-editing

General editing
Merge pull request #17 from wvdemeer/changeSetQ-updateusers

Adopted Change Set Q: the optional :update_users action
Merge pull request #16 from wvdemeer/identifiers-section

Added initial "identifiers" section
describe what we could do for Rspec doc
Merge pull request #24 from bvermeul/master

describe what we could do for Rspec doc
Merge branch 'master' into improve-nosliver-returns
minor editing: split sentences in asciidoc for clearer diffs in next versions