Extract Fatal(f), reorder options in config.go
Do not allow empty value in config file, simplify config parsing.
Add load balancing option.
djb2 string hash function.
Load balance based on URL host name hash.
Add load balance explanation in sample rc.
Merge branch 'feature/load-balance' into develop
Fix test: remove logFile in debugrc.
Check transfer-encoding: identity.
Update README and CHANGELOG.
Merge branch 'develop'