Updated fetchMessagesByNumberOperationWithFolder documentation
	* Removed unnecessart messageCount variable.
	* Fixed issue with number of messages.
Merge pull request #113 from paulyoung/fetch-messages-by-number-operation-with-folder

Updated fetchMessagesByNumberOperationWithFolder documentation
Fix providers identifier
Bridge MCOIMAPFolderStatus
Merge pull request #119 from CodaFi/Provider-Identifier

Provider identifier
Dealloc
Merge remote-tracking branch 'upstream/master'
MCAssert Visibility
Namespacing
Guards
Merge pull request #124 from CodaFi/MCAssert

Make MCAssert C/Objective-C friendly.
Removed reference to message owner from part.
Fixed #125: fixed crash in case a fetch is already in progress.
Improved headers documentation. Fixed #109.
Fixed build error.
Merge pull request #120 from CodaFi/Bridge-MCOIMAPFolderStatus

Bridge MCOIMAPFolderStatus
Cleaned implementation of FolderStatus (#120)
More cleanup
Cleaned implementation of STATUS. Added support for CONDSTORE.
Fixed #97: manual disconnection of POP session