[difficulty] lower response time, symetrical target capping.
Merge branch 'dev-0.1.3' into release-0.1.3
critical,update: mandatory update at block 110322

 - really, really sorry about the three updates in a row, but this one
   is also critical, revealed by new informations.
 - discolure will occur after patch application (block 110322, in 3 to 6
   days from now).
comment,minor,deprecated
Merge branch 'dev-0.1.3' into release-0.1.3
Merge branch 'release-0.1.3'