It was reported on IRC that installing wget on appveyor wont
update icu which results in icu not being found due to an ABI bump/dll rename.
Bumping the version requirements of icu users should fix this.
curl - 7.55.1 - add patch from Archlinux for non-proxy connections. Support publicsuffix-list' Update patch for msys
libpsl - 0.18.0 - new library. Public Suffix List library
publicsuffix-list - git vertsion - current Public Suffix list
wget -=1.19.1 - support publicsuffix-list support