Add logger error for invalid type paramater

Set default log level to 3, or ERROR. Ensure log level isn't overriden
on reload. Add errors if log level is misconfigured.

src/logger.jmc

@@ -1,7 +1,11 @@
 @lazy
 function logger(type, caller, message) {
+	if ($type > 6 || $type < 1) {
+		say "The log type requested does not exist. Please find the caller ($caller) and resolve this issue.";
+	}
 	$tmp_logger = false;
-	if ($logger) { $tmp_logger = $type; }
+	$tmp_type = $type;
+	if ($temp_type >= $log_level) { $tmp_logger = $type; }
 	switch($tmp_logger) {
 		case 5:
 			say "FATAL: ($caller) $message";
@@ -21,10 +25,19 @@ function logger(type, caller, message) {
 class logger {
 	@add(__load__)
 	function __init__() {
+		if (!$log_level) {
+			$log_level = 3;
+		} else if ($log_level > 5) {
+			say "The log level was too high. Resetting to default value.";
+			$log_level = 3;
+		}
+
+		say "Log level set to '$log_level'.";
+		
 		if (!$logger) {
 			$logger = false;
 		} else if ($logger) {
-			say "Logging is enabled. You should now see a test log message:";
+			say "Debug logging is enabled. You should now see a test log message:";
 			logger(2, logger, "This is a test. Logging appears to be working as expected!");
 		} else {
 			say "This is not a log message. There appears to be something wrong with the logger. It has not been detected as `!true` or `true`. Please investigate.";