Merge pull request #158 from TimSchmittmann/master Add loopback address for ipv6 network to 'isLocal' check

Update .travis.yml 

Fix EvalProvider for PHP 7 ref #111

Fix PhpConsole\Handler::setErrorsHandlerLevel() for some PHP versions 

Add public PhpConsole\Connector::disable() method Referenced to barbushin/php-console-laravel#7

Remove `final` operator for some methods for mock-testing 

Added trace calls ignore by array of class name prefix 

Update README.md 

"php-console/laravel-service-provider" suggestion in composer.json 

set not removable output bufferization(to prevent headers sending) Some "smart" frameworks are using `flush()` and `while(ob_get_level()) ob_end_flush();` calls to force output flushing, so headers are sent before script shutdown, so php-console can't send own headers.