for loops have to have a : at the end of the line

changed 3 instances
Fixed XXE flaw in sitemap reader
Fixed XML selector against XXE attacks
Added test against XXE attacks for Sitemap
Added resolve_entities to kwargs in SafeXMLParser
Merge pull request #694 from kmike/0.22

backport xml fixes to 0.22
Merge pull request #675 from ncp1113/patch-1

for loops have to have a : at the end of the line