Revert "Don't load scripts on client initialization"
Revert "Don't load scripts on client initialization"

This reverts commit e8389ac9e88d11bf50ebb170ce27f1d9b43a7483.
Without this then the @unlock_script_sha and @lock_script_sha are nil
which causes the evalsha to fail on the first usage.

leandromoreira/redlock-rb,leandromoreira/redlock-rb