Fix for SPOJ

Thanks @premkamal13 for the PR

Codeback v3.2 : Fixes

Codechef fixed

Fix release

Fixed issue #5

Codeback v3

Proxy support. Some fixes.

Codeback_v2.1

Some fixes

CodeBack v2

Fixed bugs.
Increased Http connection timeouts.
Added option to fetch all AC submissions.
Improved message shown on exceptions

Codeback_v1

Initial Release