Version bump to 1.0.0

- Palette now in 1.0.0 and includes a docblock @example, also made the checking better and wrote some documentation
- Example now includes a failing test to make sure what happens when given octet stream

example/example.php

@@ -44,3 +44,6 @@ foreach ($testimages_controlled_process as $image) {
        . "</pre>\n";
 
 }
+
+echo "<h1>This one fails</h1>\n";
+$test = new \ivuorinen\Palette\Palette('/bin/sh');