• Fixed the g_mime_object_get_header() API definition to note that it can return null
• Fixed a memory leak in address_parse() (issue #159)
• Added custom header folding logic for the Newsgroups: header (issue #162)
• Fixed a configure issue regarding ac_cv_sys_file_offset_bits (issue #158)
• Fixed an infinite loop in the Content-Type and Content-Disposition parameter
  serialization logic (issue #165)