Fix logging error message
Passing default parameters to url, uuid, fileName
passing default attributes of download entry to downloader engine
Update changelog

* Fix #47: File naming on redirect downloads.
    * Set default download arguments on downloader engine.
    * Resuming downloads by their UUID, URL, fileName attributes to
prevent file name clash.
Merge pull request #48 from Alir3z4/fix-#47-file-naming-on-redirect-downloads

Fix #47 file naming on redirect downloads
Fixes #47