Improved documentation and changed GMailMessageId and GMailThreadId to be nullable
Parse the domain route in the envelope response
Added logic to be able to serialize and deserialize BodyParts and Envelopes
Don't forget to calculate the PartSpecifier
Added unit tests and fixed bugs
Condense the serialized BodyPartMultipart string a bit (now closer to what IMAP's syntax as well)
Improved documentation for the new APIs a bit
Improved documentation
code cleanup
Improved documentation
More documentation updates
mproved documentation
Fixed a bug in the IMAP UTF-7 encoding logic

Thanks to Daniel D'Agostino for spotting this bug.
Added more unit tests for IMAP's modified UTF-7 encoder/decoder

Tests taken from Daniel D'Agostino's unit tests for his IMAP library
Added support for setting the network timeout on each client

Fixes issue #49
Fixed formatting of non-ascending UIDs and indexes

Fixes issue #50
Bumped version to 0.15.0.0
code cleanup
Allow RFC822.SIZE to be 0

Fixes issue #51