Fix value comparison and sorting semantics

tests/base32_test.aer

@@ -52,14 +52,15 @@ class Base32 {
 		$input = str_replace('=','', $input);
 		char[] $aInput = str_split($input);
 		string $binaryString = '';
+		string[] $sInput = str_split($input);
 		for($i = 0; $i < sizeof($aInput); $i = $i + 8) {
 			string $x = '';
-			if(!in_array($input[$i], Base32::$map))
+			if(!in_array($aInput[$i], Base32::$map))
 				return '';
 			for(int $j = 0; $j < 8; $j++) {
 				if($i + $j < strlen($input)) {
-					if(array_key_exists($input[$i + $j], Base32::$flippedMap)) {
-						$x += str_pad(base_convert(Base32::$flippedMap[$input[$i + $j]], 10, 2), 5, '0', STR_PAD_LEFT);
+					if(array_key_exists($sInput[$i + $j], Base32::$flippedMap)) {
+						$x += str_pad(base_convert(Base32::$flippedMap[$sInput[$i + $j]], 10, 2), 5, '0', STR_PAD_LEFT);
 					}
 				}
 			}

tests/tokenizer.aer

@@ -11,7 +11,7 @@ class StringTokenizer {
 	}
 
 	public bool hasMoreTokens() {
-		return ($this->token != NULL);
+		return ($this->token != '');
 	}
 
 	public string nextToken() {