Minor refactoring regarding feedback of @cantino:
Minor refactoring regarding feedback of @cantino:

- minor improvements of the description
- use HTTMultiParty directly, instead of including it
- ensure that tempfiles are closed and unlinked

dnjo/huginn-spotify-linker,johnleeming/huginn,cpretzer/huginn,dnjo/huginn-spotify-linker,CodeHunter2006/huginn,ahmadassaf/IFTTT-Plus,gautamkrishnar/huginn,strugee/huginn,strugee/huginn,gautamkrishnar/huginn,virtadpt/huginn,albertsun/huginn,cpretzer/huginn,darrencauthon/huginn,cantino/huginn,brianpetro/huginn,naiyt/huginn,jezcope/huginn,dnjo/huginn-spotify-linker,jezcope/huginn,MadBomber/huginn,cpretzer/huginn,megaxox/huginn,mathias/huginn,naiyt/huginn,djolivier/huginn,breandan/huginn,breandan/huginn,dsander/huginn,jezcope/huginn,breandan/huginn,naiyt/huginn,johnleeming/huginn,megaxox/huginn,dnjo/huginn,younata/huginn,Ishfal/huginn,eugenesvk/huginn,dnjo/huginn,johnleeming/huginn,mathias/huginn,ahmadassaf/IFTTT-Plus,mathias/huginn,megaxox/huginn,eugenesvk/huginn,omniscopeio/huginn,younata/huginn,MadBomber/huginn,dsander/huginn,CodeHunter2006/huginn,huginn/huginn,gautamkrishnar/huginn,virtadpt/huginn,djolivier/huginn,Ishfal/huginn,dsander/huginn,djolivier/huginn,Ishfal/huginn,cantino/huginn,ahmadassaf/IFTTT-Plus,brianpetro/huginn,huginn/huginn,virtadpt/huginn,younata/huginn,CodeHunter2006/huginn,MadBomber/huginn,cantino/huginn,eugenesvk/huginn,albertsun/huginn,brianpetro/huginn,darrencauthon/huginn,dnjo/huginn,strugee/huginn,albertsun/huginn,huginn/huginn,omniscopeio/huginn,omniscopeio/huginn,darrencauthon/huginn