clean up migrations

migrations/db.js

@@ -4,7 +4,20 @@ const sequential = require('promise-sequential')
 module.exports = {multi}
 
 function multi (sqls, cb) {
-  return sequential(sqls.map(s => db.none(s)))
-  .then(cb)
-  .catch(cb)
+  const doQuery = s => {
+    return () => {
+      return db.none(s)
+      .catch(err => {
+        console.log(err.stack)
+        throw err
+      })
+    }
+  }
+
+  return sequential(sqls.map(doQuery))
+  .then(() => cb())
+  .catch(err => {
+    console.log(err.stack)
+    cb(err)
+  })
 }