Rescue any error in validate_interpolation
Rescue any error in validate_interpolation

Fixes #881.

naiyt/huginn,cantonic/huginn,omniscopeio/huginn,mindvalley/huginn,mirko314/huginn,marcusgadbem/huginn,chrisgogreen/huginn,bencornelis/huginn,AdrianoCahete/huginn,creativepsyco/huginn,madflow/huginn,gautamkrishnar/huginn,niravaga/huginn,pssaravanan/huginn,albertsun/huginn,brianpetro/huginn,albertsun/huginn,niravaga/huginn,ianblenke/huginn,shirshendu/huginn,virtadpt/huginn,johnleeming/huginn,mindvalley/huginn,virtadpt/huginn,mikalauskas/huginn,cantino/huginn,deanishe/huginn,brianpetro/huginn,angelabier1/huginn,dnjo/huginn-spotify-linker,virtadpt/huginn,swimclan/huginn,whicheverpeady/huginn,bartoszkopinski/huginn,AdrianoCahete/huginn,CodeHunter2006/huginn,bartoszkopinski/huginn,strugee/huginn,naiyt/huginn,Aluxian/huginn,younata/huginn,whicheverpeady/huginn,MadBomber/huginn,toruta39/huginn,cantonic/huginn,swimclan/huginn,TildeWill/huginn,Ishfal/huginn,angelabier1/huginn,johnleeming/huginn,dobtco/huginn,ahmadassaf/IFTTT-Plus,rasata/huginn,run-project/huginn,c24b/huginn,cpretzer/huginn,eugenesvk/huginn,swimclan/huginn,cpretzer/huginn,mirko314/huginn,ahmadassaf/IFTTT-Plus,azati/huginn,satishgoda/huginn,TildeWill/huginn,shirshendu/huginn,MOZGIII/huginn,satishgoda/huginn,strugee/huginn,nuentes/huginn,azati/huginn,dsander/huginn,azati/huginn,mathias/huginn,bencornelis/huginn,eugenesvk/huginn,pssaravanan/huginn,marcusgadbem/huginn,omniscopeio/huginn,djolivier/huginn,dobtco/huginn,materliu/huginn,dnjo/huginn,wxdublin/huginn,bencornelis/huginn,huginn/huginn,cpretzer/huginn,Aluxian/huginn,megaxox/huginn,duke-libraries/huginn,dsander/huginn,darrencauthon/huginn,run-project/huginn,armuk/huginn,younata/huginn,stephenanthony/huginn,andywenk/huginn,niravaga/huginn,run-project/huginn,CodeHunter2006/huginn,toruta39/huginn,andywenk/huginn,purposeindustries/huginn,KentFujii/huginn,askl56/huginn,toruta39/huginn,ianblenke/huginn,djolivier/huginn,brianpetro/huginn,gautamkrishnar/huginn,vawen/huginn,ahmadassaf/IFTTT-Plus,kyroskoh/huginn,pssaravanan/huginn,whicheverpeady/huginn,younata/huginn,badrul/huginn,den53/huginn,megaxox/huginn,badrul/huginn,breandan/huginn,cantonic/huginn,dsander/huginn,jezcope/huginn,materliu/huginn,c24b/huginn,chrisgogreen/huginn,naiyt/huginn,askl56/huginn,vawen/huginn,andywenk/huginn,darrencauthon/huginn,kyroskoh/huginn,AdrianoCahete/huginn,mirko314/huginn,dnjo/huginn,duke-libraries/huginn,shaunaa126/huginn,marcusgadbem/huginn,VelocityGrowth/huginn,MOZGIII/huginn,mikalauskas/huginn,strugee/huginn,mathias/huginn,stephenanthony/huginn,c24b/huginn,rasata/huginn,VelocityGrowth/huginn,purposeindustries/huginn,flagsoft/huginn,Aluxian/huginn,ashmckenzie/huginn,jezcope/huginn,dnjo/huginn-spotify-linker,albertsun/huginn,chrisgogreen/huginn,mindvalley/huginn,flagsoft/huginn,deanishe/huginn,armuk/huginn,huginn/huginn,satishgoda/huginn,armuk/huginn,creativepsyco/huginn,valeriosouza/huginn,dnjo/huginn-spotify-linker,duke-libraries/huginn,nuentes/huginn,madflow/huginn,valeriosouza/huginn,djolivier/huginn,shaunaa126/huginn,wxdublin/huginn,eugenesvk/huginn,bartoszkopinski/huginn,jezcope/huginn,VelocityGrowth/huginn,cantino/huginn,cantino/huginn,flagsoft/huginn,shirshendu/huginn,mathias/huginn,KentFujii/huginn,madflow/huginn,Ishfal/huginn,rasata/huginn,MOZGIII/huginn,TildeWill/huginn,MadBomber/huginn,shaunaa126/huginn,angelabier1/huginn,stephenanthony/huginn,ashmckenzie/huginn,gautamkrishnar/huginn,breandan/huginn,breandan/huginn,askl56/huginn,darrencauthon/huginn,kyroskoh/huginn,nuentes/huginn,den53/huginn,KentFujii/huginn,wxdublin/huginn,mikalauskas/huginn,Ishfal/huginn,dobtco/huginn,badrul/huginn,omniscopeio/huginn,run-project/huginn,ashmckenzie/huginn,MadBomber/huginn,megaxox/huginn,ianblenke/huginn,dnjo/huginn,johnleeming/huginn,creativepsyco/huginn,deanishe/huginn,huginn/huginn,materliu/huginn,valeriosouza/huginn,den53/huginn,vawen/huginn,CodeHunter2006/huginn,purposeindustries/huginn