GH #278 - Working on SMTP connections.
GH #278 - Working on SMTP API services.
Merge branch 'master' into dsuch-f-gh278-add-smtp
Merged 0f919b0c4b667895706a42ff5c6970f042cd44b0 in.
Merge branch 'master' into dsuch-f-gh278-add-smtp
GH #278 - Properly build GetList SIO.
GH #278 - Working on the user API.
GH #278 - Merging current works on #118.
GH #278 - Don't use more than 255 arguments to a single function.
GH #278 - Send SMTP messages.
GH #278 - Added SMTP timeouts.
GH #278 - Added higher-level API with attachments.
GH #278 - Added SMTP pings.
Merge branch 'dsuch-f-gh278-add-smtp'
Merge branch 'master' into dsuch-f-gh118-tls-http-outconns