fix: issue where plex guids can be null (resolves #5)

go.mod

@@ -3,16 +3,21 @@ module github.com/l3uddz/plexarr
 go 1.14
 
 require (
-	github.com/BurntSushi/toml v0.3.1 // indirect
 	github.com/alecthomas/kong v0.2.12
 	github.com/blang/semver v3.5.1+incompatible
+	github.com/golang/protobuf v1.4.3 // indirect
 	github.com/kirsle/configdir v0.0.0-20170128060238-e45d2f54772f
 	github.com/mattn/go-sqlite3 v1.14.5
 	github.com/natefinch/lumberjack v2.0.0+incompatible
 	github.com/pkg/errors v0.9.1
 	github.com/rhysd/go-github-selfupdate v1.2.2
 	github.com/rs/zerolog v1.20.0
-	golang.org/x/sys v0.0.0-20201218084310-7d0127a74742
+	github.com/ulikunitz/xz v0.5.9 // indirect
+	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad // indirect
+	golang.org/x/net v0.0.0-20201216054612-986b41b23924 // indirect
+	golang.org/x/oauth2 v0.0.0-20201208152858-08078c50e5b5 // indirect
+	golang.org/x/sys v0.0.0-20201221093633-bc327ba9c2f0
+	google.golang.org/appengine v1.6.7 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0
 )