[Uploadable.ch] New hoster

As requested in https://github.com/pyload/pyload/issues/679
Update UploadableCh.py
Update UploadableCh.py
Update UploadableCh.py
Update UploadableCh.py
[kingfiles.net] New hoster

As requested in https://github.com/pyload/pyload/issues/510
Delete KingfilesNet.py
Update UploadableCh.py
[HTTPRequest] Raise Fail if write response fails
[Plugin] Fix typo (thx rlindner81)
[SimpleHoster][OneFichierCom] Fix issue #836 ('status': 3)
[UptoboxCom] Fix ERROR_PATTERN
[LinkCryptWs] Fix (thx NETHeader)
[XFSHoster] Fix StreamcloudEu (thx seoester)
New crypter FilecryptCc
[FilecryptCc] Code improvements
[SimpleHoster] Updated
[SimpleCrypter] Updated
[XFSHoster] Updated
[SimpleHoster] CONTENT_DISPOSITION feature