Add min function to go with max

package.json

@@ -1,6 +1,6 @@
 {
   "name": "timelion",
-  "version": "0.1.201",
+  "version": "0.1.204",
   "dependencies": {
     "body-parser": "^1.12.0",
     "boom": "^2.8.0",

series_functions/min.js

@@ -0,0 +1,24 @@
+var reduce = require('../lib/reduce.js');
+
+var Chainable = require('../lib/classes/chainable');
+module.exports = new Chainable('max', {
+  args: [
+    {
+      name: 'inputSeries',
+      types: ['seriesList']
+    },
+    {
+      name: 'value',
+      types: ['seriesList', 'number'],
+      help: 'Number, series to min with the input series. If passing a seriesList it must contain exactly 1 series.'
+
+    }
+
+  ],
+  help: 'Minimum values of one or more series in a seriesList to each position, in each series, of the input seriesList',
+  fn: function minFn(args) {
+    return reduce(args, function (a, b) {
+      return Math.min(a, b);
+    });
+  }
+});