Fix BaseClient not respecting retries and timeout#30

Turall merged 1 commit intoTurall:masterTurall/OPA-python-client:masterfrom

TheRealHaoLiu:fix-opaclient-retries-and-timeoutTheRealHaoLiu/OPA-python-client:fix-opaclient-retries-and-timeoutCopy head branch name to clipboard