Refactor uptime command

Use parse-ms instead of pretty-ms.
It wasn't possible to make it return what I wanted it to return.
Was easier to just do that manually.

commands/uptime.js

@@ -1,10 +1,30 @@
-const prettyMS = require('pretty-ms')
+const parseMS = require('parse-ms')
 
 module.exports = {
     name: 'uptime',
-	description: 'Returns how long discord bot has been running',
+    description: 'Returns uptime',
     execute(message, client) {
-        message.channel.send(`${prettyMS(client.uptime, {verbose: true})}`)
 
+        let days = "";
+        let hours = "";
+        let minutes = "";
+        let seconds = "";
+        let milliseconds = "";
+
+        let uptime = parseMS(client.uptime)
+        if (uptime.days != 0)
+            days = `${uptime.days} days, `
+        if (uptime.hours != 0)
+            hours = `${uptime.hours} hours, `
+        if (uptime.minutes != 0)
+            minutes = `${uptime.minutes} minutes, `
+        if (uptime.seconds != 0)
+            seconds = `${uptime.seconds} seconds, and `
+        if (uptime.milliseconds != 0)
+            milliseconds = `${uptime.milliseconds} milliseconds`
+
+        let fullUptime = `This bot has an uptime of ${days}${hours}${minutes}${seconds}${milliseconds}`
+
+        message.channel.send(fullUptime)
     }
 };