Added a few workarounds for HTTP driver's latency issues

[nvidianz]

Description

1. Increased several timeout values to work around the latencies in WebSockets library.
2. Close HTTP connection in case of errors to avoid dead connections.

Types of changes

• Non-breaking change (fix or new feature that would not break existing functionality).
• Breaking change (fix or new feature that would cause existing functionality to change).
• New tests added to cover the changes.
• Quick tests passed locally by running ./runtest.sh.
• In-line docstrings updated.
• Documentation updated.