Required files
logger
digest/md5
rbconfig
win32/open3
open3
active_support/core_ext/module/attribute_accessors
active_support/core_ext/class/attribute_accessors
active_support/core_ext/object/blank
active_support/core_ext/blank
wicked_pdf/version
wicked_pdf/railtie
wicked_pdf/tempfile
wicked_pdf/middleware
wicked_pdf/progress