[WHMv1] Attempt to recover from createacct, suspendreseller & unsuspendreseller request timeouts

[uphlewis]

In certain setups there are WHM function hook scripts which may take a long time to run (esp. for reseller suspensions/unsuspensions where they have a lot of subaccounts), which stalls the API response, leading to a timeout. Timeouts mean we return a false negative on provision function success which leads to extra work from org admins.

We may be able to add some clever handling when we encounter a timeout after these API calls, to check whether the operation appears to have succeeded and is just still in progress.