Fix archive file handling, add more messaging

[fordantitrust]

Dear Mike McQuaid,

I've used your original source, it's great. But there are found some small error. I fixed it and send it back for you.

Change logs

• Add more progress status
• Add new option "part" to support multiple tweet.js part
• Fix parsing tweet.js matched to newest version

[MikeMcQuaid]

@fordantitrust Any thoughts on my comments here? Thanks!