Working permissions and all tests passing.

Remove print statements.

Fix for review comments.

app/permission/rest.py

@@ -0,0 +1,54 @@
+
+from flask import (jsonify, request, abort, Blueprint, current_app)
+from app.schemas import permission_schema
+from app.errors import register_errors
+from app.dao.permissions_dao import permission_dao
+
+permission = Blueprint('permission', __name__)
+register_errors(permission)
+
+
+@permission.route('', methods=['GET'])
+def get_permissions():
+    data, errors = permission_schema.dump(
+        permission_dao.get_query(filter_by_dict=request.args), many=True)
+    if errors:
+        abort(500, errors)
+    return jsonify(data=data)
+
+
+@permission.route('/<permission_id>', methods=['GET'])
+def get_permission(permission_id):
+    inst = permission_dao.get_query(filter_by_dict={'id': permission_id}).first()
+    if not inst:
+        abort(404, 'Permission not found for id: {permission_id}'.format(permission_id))
+    data, errors = permission_schema.dump(inst)
+    if errors:
+        abort(500, errors)
+    return jsonify(data=data)
+
+
+@permission.route('', methods=['POST'])
+def create_permission():
+    inst, errors = permission_schema.load(request.get_json())
+    if errors:
+        abort(400, errors)
+    # Commit instance to the database
+    permission_dao.create_instance(inst)
+    data, errors = permission_schema.dump(inst)
+    if errors:
+        abort(500, errors)
+    return jsonify(data=data), 201
+
+
+@permission.route('/<permission_id>', methods=['DELETE'])
+def delete_permission(permission_id):
+    inst = permission_dao.get_query(filter_by_dict={'id': permission_id}).first()
+    if not inst:
+        abort(404, 'Permission not found for id: {permission_id}'.format(permission_id))
+    # Generate response first
+    data, errors = permission_schema.dump(inst)
+    permission_dao.delete_instance(inst)
+    if errors:
+        abort(500, errors)
+    return jsonify(data=data), 200