Using the curl request type makes long string handling more robust

I did test this some time ago, and switching to curl made no different, but I was emailed by RaulMuroc who claims curl now makes the module more reliable. This is unverified and is the first report of this. Can anyone confirm? Snip from the email:

> Google API complained about too long strings to translate, even it was less
> than 1000 characters. The i18n_auto uses "http" request type method, so I
> decided to switch to "curl" and that fixed the string length problem. That
> was made by a change in i18n_auto.module, in every place where $gt object is
> created:
>
> $gt = new Gtranslate;
> // switching to Curl
> $gt->setRequestType('curl');