Buffer added as optional argument to the http_post function
Added new log level for disabling all logging functions
Newline removed from log messages without variable arguments
Fixed split(n) function documentation
Revert "Graph first commit"

This reverts commit 316a8e4713d9720fef8de0ac0fa70975dbbb9253.
Merge branch 'next' of github.com:opencb-hpg/common-libs into next