WinGUp v4.3 release

WinGup v4.3 new feature & bug-fixes:

1. Update cURL from v7.56.1 to v7.79.1
2. Add customizable application icon (for the dialogs & on taskbar).
3. Fix percentage glitch on progress bar.
4. Fix wrong version parameter set.

WinGUp v4.2 release

GUP v4.2 bug-fix & new enhancement:

1. Update cURL from 7.42.1 to 7.56.1
2. Enable CURLSSLOPT_NO_REVOKE option in cURL to fix the problem that updating requires certificate support:
   notepad-plus-plus/notepad-plus-plus#1237
3. Fixed unwanted message displaying issue.
4. Add more tanslations.

WinGUp v4.1 release

Add option -pVALUE for custom parameter. The VALUE can be retieved from "param" via GET method on the server side.

WinGUp v4 release

WinGUp v4 new feature:

1. x64 build

WinGUp v3.3 release

WinGUp v3.3 new features:

1. Add alternative YesNoNever dialog for "available update package" message. "Never" button action should be defined and it could be renamed.
2. Add isModel option.
3. Enable new windows visual style.
4. Add Vietnamese translation.