in mailimap_uid_fetch, when mailimap_fetch_list_free is called in an error case, also null the pointer given back to caller
Merge pull request #47 from colinleroy/master

A few fixes
support for Hurd (is it even used?)
support for IMAP ID (RFC 2971)
added missing files
mailimap_id included by default
fixed build errors. Thanks Scott Herscher.
Fixed build on Linux
fixed clang warning
specific timeout for each connection
default timeout
obsolete m4 macro
fixed xcode project
progress callback on pop3
Add Xcode project for tests
Broaden Xcode cruft ignores for new project
Default Xcode project to 2-space indentation
Default Xcode project to 2-space indentation
Merge pull request #53 from sjmulder/xcode-indentation

Default Xcode project to 2-space indentation
Merge pull request #52 from sjmulder/xcode-tests

Add Xcode project for tests