Imap-tools

* Fixed bug in folder.MailBoxFolderManager.exists/list on folder names with " and \ chars

* Fixed bug on folders names with space in folder.MailBoxFolderManager.exists/list

* Improved parse logic for message.MailMessage.flags

* Improve utils.parse_email_addresses - full values for bad emails

* New parse logic for email addresses - utils.parse_email_addresses, using email.utils.getaddresses
* Added message.MailMessage.reply_to, message.MailMessage.reply_to_values
* Removed message.MailMessage._parse_addresses

* MailBox.fetch - added "reverse" parameter
* in utils.parse_email_address used email.utils.parseaddr
* added tests for message attributes