request request

Enhancements

• 71d9e70 - silences logs when writing to the tmp file
• e2f05ea - uses the request.el library over calling curl manually, thanks @galeo!
• 5ab8e95 - filters out invalid candidates after retrieving from sourcekit, this means company-mode caching now works properly

Fixes

• a28ac48 - uses string-bytes instead of length on the prefix
• 8ac1ba3 - fixes server port detection on new versions of sourcekittendaemon