[add] Colonel Kurtz binary

bin/colonel_kurtz.js

@@ -1,4 +1,14 @@
 #!/usr/bin/env node
+'use strict';
 
+var raw     = process.argv[2];
 var migrate = require('../lib/migrate')
-console.log('hey')
+var json;
+
+if (!raw.trim()) {
+  process.exit(1);
+}
+
+json = JSON.parse(raw)
+
+console.log(JSON.stringify(migrate(json)))

lib/migrate/index.js

@@ -6,6 +6,7 @@
  */
 
 var forward = require('./forward')
+var version = require('../../package').version
 
 var migrations = [
   require('./migrations/2.0.0')

lib/migrate/isNewer.js

@@ -6,7 +6,7 @@
 var semverify = function(string) {
   string = string || '0.0.0'
 
-  let base = string.split('.').map(function(num) {
+  var base = string.split('.').map(function(num) {
     return parseInt(num, 10)
   })
 

lib/migrate/migrations/2.0.0.js

@@ -2,9 +2,10 @@ module.exports = {
   version: '2.0.0',
 
   // 2.0.0 adds a sections block type that wraps around all other
-  // types
+  // types. It also adds a system object
   up: function (state) {
     return {
+      system: { version: '2.0.0' },
       blocks: Array.isArray(state) ? [{
         blocks  : state,
         content : {},