Fixed linux build
IndexSet iterator
Fixed build, fixed iterator
Fixed build on Linux
Fixed build for Linux again
Additional fix for Linux build
Fixed build for Linux in MCIMAPMultiDisconnectOperation
Fixed build on Linux
Travis build for multi-OS
Fixed IndexSet iterator
Fixed MCString::htmlMessageContent()
Merge pull request #726 from foxinushka/master

Fixed MCString::htmlMessageContent()
Added help methods to MCOMessageHeader
Update MCOAddress.h

Corrected example for reference docs.
Merge pull request #728 from rlaferla/master

Update MCOAddress.h
Add perf trace
Fixed crash when stringWithDetectedCharset in MCData returns NULL for Japanese text encoding.
Merge branch 'fix-for-jap-encoding-crash' into mc-master
case insensitive header lookup
Fixed intersction methods