Update textproc/scew to version 1.1.4
Update net-mgmt/isic to version 0.07_2
Update net/httping to version 2.1
Tweak devel/log4c version 1.2.2
Tweak astro/weather version 2.0
Update net/exabgp to version 3.1.8
Update textproc/dwdiff to version 2.0.4