John Callahan (#1808382).
- Invalid initialization of To: header (#1772893).
- Added SquirrelMail debug mode.
+ - Handle PHP's insistence on setting the value to 'deleted' for destroyed sessions
+ (#1829098).
+ - Some IMAP servers send nil for an empty email body (See RFC2180,
+ section 4.1.3 on empty strings).
+ - Let configtest.php use optional PEAR dynamic extension loading,
+ patch by Walter Huijbers (#1833123).
+ - Fix for IMAP servers that were having problems saving sent messages
+ - Added "Secured Configuration" mode.
+ - Added edit list, checkbox, radio group, multiple-select folder list
+ and multiple-select string list option widget types.
+ - Allow database based preferences to read in default settings from the
+ default_pref file next to hardcoding them into the DB class, thanks
+ Thierry Godefroy.
Version 1.5.1 (branched on 2006-02-12)
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