chore: update viper fork

go.mod

@@ -3,7 +3,6 @@ module github.com/privacybydesign/irmago
 go 1.13
 
 require (
-	github.com/sietseringers/go-sse v0.0.0-20200223201439-6cc042ab6f6d
 	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/alexandrevicenzi/go-sse v1.3.1-0.20200117161408-7b23d5ff7420
 	github.com/bwesterb/go-atum v1.0.0
@@ -23,7 +22,6 @@ require (
 	github.com/jasonlvhit/gocron v0.0.0-20180312192515-54194c9749d4
 	github.com/jinzhu/gorm v1.9.12
 	github.com/lib/pq v1.3.0 // indirect
-	github.com/magiconair/properties v1.8.0 // indirect
 	github.com/mattn/go-colorable v0.0.9 // indirect
 	github.com/mattn/go-isatty v0.0.4 // indirect
 	github.com/mdp/qrterminal v1.0.1
@@ -34,16 +32,17 @@ require (
 	github.com/onsi/ginkgo v1.12.0 // indirect
 	github.com/onsi/gomega v1.9.0 // indirect
 	github.com/pelletier/go-toml v1.2.0 // indirect
-	github.com/pkg/errors v0.8.0
+	github.com/pkg/errors v0.8.1
 	github.com/privacybydesign/gabi v0.0.0-20200304102013-9df3e395ec4d
+	github.com/sietseringers/go-sse v0.0.0-20200223201439-6cc042ab6f6d
 	github.com/sirupsen/logrus v1.2.0
 	github.com/spf13/afero v1.2.0 // indirect
 	github.com/spf13/cast v1.3.0
 	github.com/spf13/cobra v0.0.1
 	github.com/spf13/jwalterweatherman v1.0.0 // indirect
 	github.com/spf13/pflag v1.0.4-0.20190111213756-a45bfec10d59
 	github.com/spf13/viper v1.0.1-0.20200205174444-d996804203c7
-	github.com/stretchr/testify v1.2.2
+	github.com/stretchr/testify v1.3.0
 	github.com/timshannon/bolthold v0.0.0-20190812165541-a85bcc049a2e // indirect
 	github.com/x-cray/logrus-prefixed-formatter v0.5.2
 	github.com/x448/float16 v0.8.4 // indirect
@@ -53,4 +52,4 @@ require (
 
 replace github.com/spf13/pflag => github.com/sietseringers/pflag v1.0.4-0.20190111213756-a45bfec10d59
 
-replace github.com/spf13/viper => github.com/sietseringers/viper v1.0.1-0.20200205174444-d996804203c7
+replace github.com/spf13/viper => github.com/sietseringers/viper v1.0.1-0.20200501103550-1e89975c9328