endTiming now returns timing measured
coding style fixes
test PHP 5.3 to 5.6
coding style fixes
removed @author annotations
added changelog
minimum visibility for members
added @codeCoverageIgnore for methods not tested in unit tests
connect only when really needed and try only once if it fails to connect
#17 use PSR-4 style autoloader
fix return type to include null
endTiming now returns timing measured
Merge remote-tracking branch 'scotam/endtiming-return-value'

Conflicts:
	lib/Client.php
	tests/ClientTest.php