Merry Christmas

Improvements:

• better error handling while reading schema documents from the classpath - contributed by @rjruizes
• the default schema client now follows HTTP redirects
• improving performance of schema loading process (significant for very large schema documents) - requested in #348
• proper hashCode() and equals() overrides in Regexp implementations - requested in #340
• README fix contributed by @asherbar

Bugfixes:

• fixed URIs missing from Schema#getLocation() for root schemas with explicitly set resolution scopes - requested in #333
• fixes NotSchema#toString() throwing JSONException - reported in #345