added contributing.md
Logger: allow to override log method
Logger: extracted method sendEmail() from log()
Merge pull request #63 from fprochazka/patch-1

Logger: extending should be allowed
Logger: fixed writing bluescreen filename to log
Merge pull request #65 from fprochazka/patch-2

Logger: fixed writing bluescreen filename to log
typo
Logger: refactoring
Logger: extracted formatLogLine() from formatMessage()
bar.js: cookies replaced with localStorage
bar.js: closing of windows is detected in beforeunload instead of unload, to make it work in IE
Query.js show() removes created element
Added exporter for __PHP_Incomplete_Class
Merge pull request #68 from Majkl578/feature/exporter-incomplete-class

Added exporter for __PHP_Incomplete_Class
Query.js: removed unused functions dom(), css(), prev(), next() and closest() (BC break)
Debugger: $logSeverity is ignored in development mode
travis.yml: tested under PHP & PHP-CGI
No output in production mode
tests: typo
Merge pull request #72 from wikidi/no-output

No output in production mode