Force alphabetical order on tables list

Sometimes the schema's table list isn't on the order that the code expects - sorted(migrations) - and this messes the migration order, trying to create foreigns keys for tables not created yet.  Forcing the order solved for me.

Author: edencker

export-laravel-5-migrations.py

@@ -34,7 +34,7 @@ def export_schema(out, schema, is_main_schema):
         migration_tables = []
         global migrations
 
-        for tbl in schema.tables:
+        for tbl in sorted(schema.tables, key=lambda table: table.name):
             migration_tables.append(tbl.name)
             migrations[tbl.name] = []
             migrations[tbl.name].append('<?php\n')