Starcli

* added `--user`, `-U`
* added support for prefixing with `><=` when specifying date of creation
* [BREAKING] renamed `--date-created, -d` to `--created, -c`, therefore, `--date-range` can have `-d` instead of `-D`
* improved forked stats icon

* added option `--date-range` or `-D`
* refactored code

* added `--spoken-language`, `-S` option
* updated search stuff
* modified CLI description

**Changes**
* refactored and beautified the list layout + fixed text wrapping for Chinese descriptions (46) by willmcgugan
* refactored table layout code
* refactored search() logic

**Additions**
* added filtering by topic `--topics` option (48) by ashikjm
* added specifying date of last push `--last-updated` option (49) by ylchao

1. rename `--date` to `--date-created`
2. default start creation date changed to: `randint(100, 400)`
3. default stars: `>=100`
4. added helpful comments to the code

* Improved list layout and table layout formatting
* improved readme