document connected and authenticated properties
rework handling of both secure and non-secure sockets
bump version
improve handling of negative welcome response upon connection
add more detail to error object
fix missing require for first example and fix example spacing in readme
update node requirement
better fetch() argument detection
re-add node 0.6 compatibility
bump version
be less strict about username/password value checking

refs #165
re-word documentation slightly
fix parsing resp-text-code on tagged error responses
modify regular expressions used for untagged responses to ignore trailing whitespace
fix regexps again
when retrieving the mailbox list, support children that may come before their parents

closes #163
Merge branch 'upstream' into newfetch

Conflicts:
	lib/imap.js