initial
working version, very crude
test image sizes (and use insecureClient to ignore certificate verification)
basic redis cache, fix http error status and remove unproper log.Fatal
modularize function that handles href matches
big bundle of work
add tests
remove hashshow, twitter and facebook from tests
md5 of domain for reusing gravatar icons
fixed issues with acceptsmall, cache validation, rel tags and other things
fixed problem with http(s):// prefix on urls