Merge pull request #1 from mschilli/master

Merging in changes
New option mkpath_umask
When set defines the umask when creating directory only used when mkpath is set

Added new test to test options umask & mkpath_umask

Added additional
Reset the umask immediately after file/directory creation
Fixed typo in pod
Merge pull request #40 from rouzier/master

New option mkpath_umask