make sure the size of a file is always an integer value. (for S3 was coming out a string and for the local file system was coming out an integer)
changing from intval() to (integer)
Merge pull request #144 from hgraca/size_as_int

getSize($path) always returns integer
fix create folder/file named "0"
fixed code style
Merge pull request #147 from romeo7/146-fix-create-folder-file-named-zero

fix create folder/file named "0"
Converted == to the stricter ===