curl and expat can be disabled
progressive msg_att results
fixed progressive parser
fixed parsing of body-fld-lang (imap)
openssl is configured to be thread safe if libetpan is compiled to be reentrant
Fixing linux compilation (missing sa_len)

Linux's sockaddr struct does not have the sa_len member.
workaround negative numbers sent by some servers
Merge pull request #36 from mronge/threadsafe_ssl

openssl is configured to be thread safe if libetpan is compiled to be reentrant
Merge pull request #37 from coredumped/master

A fix for linux compilation
various fixes (fd leaks, mem leaks). Thanks to Manfred Weichel
fixed error string mapping
fixed build
build pop sample
fixed POP fd leak (fixed #18)
build for iOS
cfstream enabled by default on ios
Added support for fetching gmail X-MSG-ID
Merge pull request #39 from mtilchen/master

Add GMail X-MSG-ID Support
release resources when closing gnutls session
call gnutls_global_init() each time we make a new ssl connection so we can ensure resources are correctly released when connections are closed