Given we link in httplib privately, we can also make the definition
enabling OpenSSL support private as well. Prevents leaking a definition
into other libraries that link with this one, like the core library.
* WebService: Verify username and token; Log errors in PostJson
* Fixup: added docstrings to the functions
* Webservice: Added Icons to the verification, imrpved error detection in cpr, fixup nits
* fixup: fmt warning
