Merge pull request #2 from reallyli/update-options-migration

Updated option migration

Author: geekjourneyx

database/migrations/2017_03_03_100000_create_options_table.php

@@ -15,12 +15,13 @@ public function up()
     {
         Schema::create('options', function (Blueprint $table) {
             $table->increments('id');
-            $table->string('module', 40)->index()->nullable();
-            $table->string('key')->unique();
+            $table->string('module', 40);
+            $table->string('key');
             $table->text('value');
             $table->string('comment')->nullable();
             $table->timestamps();
             $table->softDeletes();
+            $table->index(['module', 'key']);
         });
     }