image:geolocation to image:geo_location

Merge pull request #44 from afitzke/utf8-issues

validation/sanitization fails on URLs containing non-ascii-characters

Added backslash to PHP internal functions

Fix for 3.0.2

Allow changing the max file size limit for sitemaps

Update README.md

Update README.md

Ready for 2.0 release

Update composer.json

Working on VideoSitemap