[BUGFIX] fix typo in error message (see https://github.com/balderdashy/sails/pull/3902) Thanks Johnny and @appdevdesigns!
[BUGFIX] backport fix for _.isFunction() from Lodash 4 (see https://github.com/lodash/lodash/issues/2768 and https://github.com/balderdashy/sails/issues/3863) Thanks @adnan-kamili and @jdalton!
[INTERNAL] rebase changelog updates from master 223567c
[BUGFIX] Fix issue where incorrect file size was computed for incoming (multi-)file uploads on skipper-disk and skipper-s3 #3847 (thanks @crobinson42, @NAlexandrov and @vbogdanov!) See also https://github.com/balderdashy/skipper/issues/109.