Just got back to trying this:
> $ nimble install nimble --verbose
Reading config file at /Users/joseph/.config/nimble/nimble.ini
Reading official package list
Prompt: No local packages.json found, download it from internet? [y/N]
Answer: y
Downloading official package list
Trying http://irclogs.nim-lang.org/packages.json
Warning: Could not download: error:14077410:SSL
routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
Trying http://nim-lang.org/nimble/packages.json
Error: Traceback (most recent call last)
... nimble.nim(1073) nimble
... nimble.nim(999) doAction
... nimble.nim(604) install
... nimble.nim(579) getDownloadInfo
... packageinfo.nim(237) getPackage
... packageinfo.nim(209) readPackageList
... packageinfo.nim(201) downloadList
... Refresh failed
... Could not download: error:14077410:SSL
routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
This is on Mac OS X. I just deleted everything in ~/.nimble, used choosenim to
update devel, and tried the command included above.