The dropzone gets reset now if no more files.
The dropzone gets reset now if no more files.

Closes #36

p0o/dropzone,vojtasvoboda/dropzone,antpaw/dropzone,danpette/dropzone,Beronien/dropzone,nhahv/dropzone,SoxFace/dropzone,noamkfir/dropzone,stayu/dropzone,aknuds1/dropzone,adamsro/DropzoneS3,MasazI/dropzone,Beronien/dropzone,hpp592720620/dropzone,StocksyUnited/dropzone,mochawich/dropzone,un33k/dropzone,SoxFace/dropzone,dotcs/dropzone,churchs19/dropzone,NervosaX/dropzone,renyaoxiang/dropzone,bluelovers/dropzone,kaxan3112/dropzone,webfatorial/dropzone,johnofkorea/dropzone,adamsro/DropzoneS3,dotcs/dropzone,ilucin/dropzone,aknuds1/dropzone,devkf/dropzone,dotcs/dropzone,vojtasvoboda/dropzone,Chrismarcel/dropzone,johnofkorea/dropzone,Connectlegendary/dropzone,gopalindians/dropzone,kaxan3112/dropzone,danpette/dropzone,kungphanith/dropzone,stayu/dropzone,renyaoxiang/dropzone,perdona/dropzone,57-Wolve/dropzone,devkf/dropzone,ilucin/dropzone,StocksyUnited/dropzone,nhahv/dropzone,Beronien/dropzone,exsodus3249/dropzone,helbert-rocha/dropzone,exsodus3249/dropzone,webfatorial/dropzone,vojtasvoboda/dropzone,arg/dropzone,NervosaX/dropzone,phizaz/dropzone,renyaoxiang/dropzone,aknuds1/dropzone,Lysholm/dropzone,adamsro/DropzoneS3,gopalindians/dropzone,antpaw/dropzone,lagapollo/dropzone,goodwall/dropzone,codedogfish/dropzone,Legume1728/dropzone,mochawich/dropzone,sekiyaeiji/dropzone,rusbelvl/dropzone,antpaw/dropzone,gopalindians/dropzone,relax/dropzone,machty/dropzone,perdona/dropzone,MasazI/dropzone,machty/dropzone,johnofkorea/dropzone,MasazI/dropzone,nousdecor/dropzone,stanwmusic/dropzone,57-Wolve/dropzone,stanwmusic/dropzone,webfatorial/dropzone,Lysholm/dropzone,un33k/dropzone,Chrismarcel/dropzone,Lysholm/dropzone,Connectlegendary/dropzone,lagapollo/dropzone,nousdecor/dropzone,relax/dropzone,keitler/dropzone,p0o/dropzone,Connectlegendary/dropzone,helbert-rocha/dropzone,stanwmusic/dropzone,arg/dropzone,devkf/dropzone,SoxFace/dropzone,noamkfir/dropzone,perdona/dropzone,bluelovers/dropzone,p0o/dropzone,rusbelvl/dropzone,goodwall/dropzone,helbert-rocha/dropzone,adamsro/DropzoneS3,keitler/dropzone,mochawich/dropzone,phizaz/dropzone,NervosaX/dropzone,57-Wolve/dropzone,rusbelvl/dropzone,kungphanith/dropzone,churchs19/dropzone,ilucin/dropzone,codedogfish/dropzone,danpette/dropzone,cnweibo/dropzone,StocksyUnited/dropzone,Chrismarcel/dropzone,cnweibo/dropzone,hpp592720620/dropzone,sekiyaeiji/dropzone,keitler/dropzone,Legume1728/dropzone,cnweibo/dropzone,exsodus3249/dropzone,lagapollo/dropzone,relax/dropzone,sekiyaeiji/dropzone,stayu/dropzone,Legume1728/dropzone,goodwall/dropzone,un33k/dropzone,codedogfish/dropzone,noamkfir/dropzone,nhahv/dropzone,nousdecor/dropzone,kungphanith/dropzone,bluelovers/dropzone,phizaz/dropzone,arg/dropzone,kaxan3112/dropzone,hpp592720620/dropzone,churchs19/dropzone,machty/dropzone