fixed DKIM_SIGERROR_NOKEY (#15)
fixed parsing of from header (#15)
allow more than one SDID in sign rules (#15)
Prerelease version 1.0.0pre2
JSDNS now uses stringbundle
added markKeyAsSecure and updateKey menu button (#18)
Release version 1.0.0
fixed DKIM_SIGWARNING_FROM_NOT_IN_SDID
fixed internal error if sign rules are disabled
fixed bug in comparison of from address in sign rules