Fixed crash when no sender is set (fixed #699)
Fixed thread safety in certificate check (fixed #670)
Turn off TidyMark to clean up HTML output
Merge pull request #702 from gnachman/tidyMarkOff

Turn off TidyMark to clean up HTML output
Added message flags mask
Don't fail on login when identity fails
Support ‘domain-exclude’ in providers.json
Added yahoo.co.jp as a separate provider, and excluded yahoo.co.jp from the main yahoo mail provider
Merge pull request #711 from CleanShavenApps/yahoo-co-jp

Support ‘domain-exclude’ in providers.json
Update MCOIndexSet.h

Added documentation of MCORange for easy reference.
Handle gracefully the case of the null delimiter
Merge pull request #713 from rlaferla/master

Update MCOIndexSet.h
Fixed linux build
IndexSet iterator
Merge branch 'master' into travis-cpp