Fix doc for augsave\!
Only close Augeas handler in augopen_internal when block is given
Add a using_post_resource_eval? method
Add back autosave for compatibility layer
Adapt logs_num in spec/unit/puppet/provider/shellvar/augeas_spec.rb to Puppet version
sysctl Only call augsave\! in flush if handler is not closed
sshd_config: reuse aug handler in match_exists?
sysctl: change back augopen into augopen\! in create