Update Logging Class and add phpunit for Logging Class

Various fixes in the logging class for more clear internal flags setting
and clearn up of complex type checks and debug validation checks.
Add basic debugger logging class phpunit checker (based on debug/print
and only very basic for echo)

Other minor fixes and updates (phpunit with inital dead code check)

www/admin/class_test.debug.php

@@ -87,6 +87,8 @@ $new_log = new CoreLibs\Debug\Logging([
 ]);
 $new_log->debug('OPTIONS TYPE', 'New Type error');
 print "OPTIONS LOGGER:<br>" . $new_log->printErrorMsg();
+$new_log->setLogLevel('debug', 'on', ['A', 'B', 'C' => false]);
+print "LOG LEVEL: " .  DebugSupport::printAr($new_log->getLogLevel('debug', 'on')) . "<br>";
 
 echo "<b>CLASS DEBUG CALL</b><br>";