Do not count line length for SVN URL

Developer cannot control length of SVN URL/HeadURL, so add that ignore
string to existing exclusions.
Do not count line length for URL

previous patch used array for preg_match which was not correct.
Implement same fix with a single regex
misspelled word in comment

detault => default
escape $ in character class
phpStorm decided to flip line endings for me - fix that
sample lines for ignoring URL/HeadURL expansions in subversion
Merge branch 'master' of https://github.com/kdebisschop/PHP_CodeSniffer
Fixed unit tests + updated changelog