Properly calculate time deltas (forgot the days)
Properly calculate time deltas (forgot the days)

Fixes #313

ymilord/OctoPrint-MrBeam,d42/octoprint-fork,Salandora/OctoPrint,abinashk-inf/AstroBox,masterhou/OctoPrint,chriskoz/OctoPrint,Catrodigious/OctoPrint-TAM,chriskoz/OctoPrint,d42/octoprint-fork,alex1818/OctoPrint,mcanes/OctoPrint,dragondgold/OctoPrint,Voxel8/OctoPrint,masterhou/OctoPrint,ymilord/OctoPrint-MrBeam,Salandora/OctoPrint,punkkeks/OctoPrint,CapnBry/OctoPrint,javivi001/OctoPrint,AstroPrint/AstroBox,madhuni/AstroBox,spapadim/OctoPrint,MolarAmbiguity/OctoPrint,leductan-nguyen/RaionPi,rurkowce/octoprint-fork,MolarAmbiguity/OctoPrint,ErikDeBruijn/OctoPrint,MoonshineSG/OctoPrint,shaggythesheep/OctoPrint,Skeen/OctoPrint,beeverycreative/BEEweb,nickverschoor/OctoPrint,bicephale/OctoPrint,nickverschoor/OctoPrint,senttech/OctoPrint,CapnBry/OctoPrint,mayoff/OctoPrint,EZ3-India/EZ-Remote,senttech/OctoPrint,beeverycreative/BEEweb,javivi001/OctoPrint,MaxOLydian/OctoPrint,rurkowce/octoprint-fork,MolarAmbiguity/OctoPrint,CapnBry/OctoPrint,Catrodigious/OctoPrint-TAM,EZ3-India/EZ-Remote,leductan-nguyen/RaionPi,markwal/OctoPrint,SeveQ/OctoPrint,eddieparker/OctoPrint,shohei/Octoprint,Mikk36/OctoPrint,bicephale/OctoPrint,dragondgold/OctoPrint,sstocker46/OctoPrint,Voxel8/OctoPrint,Catrodigious/OctoPrint-TAM,foosel/OctoPrint,foosel/OctoPrint,alex1818/OctoPrint,javivi001/OctoPrint,Skeen/OctoPrint,C-o-r-E/OctoPrint,foosel/OctoPrint,abinashk-inf/AstroBox,nicanor-romero/OctoPrint,senttech/OctoPrint,Voxel8/OctoPrint,nicanor-romero/OctoPrint,Mikk36/OctoPrint,JackGavin13/octoprint-test-not-finished,ryanneufeld/OctoPrint,JackGavin13/octoprint-test-not-finished,madhuni/AstroBox,Skeen/OctoPrint,CapnBry/OctoPrint,C-o-r-E/OctoPrint,punkkeks/OctoPrint,MoonshineSG/OctoPrint,abinashk-inf/AstroBox,aerickson/OctoPrint,dansantee/OctoPrint,madhuni/AstroBox,mayoff/OctoPrint,markwal/OctoPrint,ryanneufeld/OctoPrint,spapadim/OctoPrint,aerickson/OctoPrint,dragondgold/OctoPrint,shaggythesheep/OctoPrint,ErikDeBruijn/OctoPrint,dansantee/OctoPrint,sstocker46/OctoPrint,JackGavin13/octoprint-test-not-finished,skieast/OctoPrint,eliasbakken/OctoPrint,SeveQ/OctoPrint,nickverschoor/OctoPrint,SeveQ/OctoPrint,MaxOLydian/OctoPrint,leductan-nguyen/RaionPi,shohei/Octoprint,nickverschoor/OctoPrint,ryanneufeld/OctoPrint,spapadim/OctoPrint,beeverycreative/BEEweb,shohei/Octoprint,eliasbakken/OctoPrint,ymilord/OctoPrint-MrBeam,uuv/OctoPrint,mcanes/OctoPrint,Javierma/OctoPrint-TFG,AstroPrint/AstroBox,markwal/OctoPrint,jneves/OctoPrint,leductan-nguyen/RaionPi,AstroPrint/AstroBox,chriskoz/OctoPrint,mrbeam/OctoPrint,JackGavin13/octoprint-test-not-finished,uuv/OctoPrint,beeverycreative/BEEweb,Jaesin/OctoPrint,bicephale/OctoPrint,mrbeam/OctoPrint,shohei/Octoprint,Jaesin/OctoPrint,EZ3-India/EZ-Remote,eliasbakken/OctoPrint,uuv/OctoPrint,MoonshineSG/OctoPrint,C-o-r-E/OctoPrint,alex1818/OctoPrint,skieast/OctoPrint,Javierma/OctoPrint-TFG,Mikk36/OctoPrint,masterhou/OctoPrint,punkkeks/OctoPrint,Jaesin/OctoPrint,shaggythesheep/OctoPrint,abinashk-inf/AstroBox,eddieparker/OctoPrint,mayoff/OctoPrint,MaxOLydian/OctoPrint,bicephale/OctoPrint,MoonshineSG/OctoPrint,nicanor-romero/OctoPrint,ryanneufeld/OctoPrint,dansantee/OctoPrint,Salandora/OctoPrint,senttech/OctoPrint,sstocker46/OctoPrint,Jaesin/OctoPrint,foosel/OctoPrint,Salandora/OctoPrint,mrbeam/OctoPrint,Javierma/OctoPrint-TFG,eddieparker/OctoPrint,EZ3-India/EZ-Remote,skieast/OctoPrint,ymilord/OctoPrint-MrBeam,Javierma/OctoPrint-TFG,ymilord/OctoPrint-MrBeam,aerickson/OctoPrint,ErikDeBruijn/OctoPrint,jneves/OctoPrint,madhuni/AstroBox,shohei/Octoprint,chriskoz/OctoPrint,mcanes/OctoPrint,jneves/OctoPrint