Tweaks (#53)

* Fix loglevel parsing

* Bump dependencies

* Change --filter to --target

* Update documentation

* Import log handler as "loghandler"

* Change command color to purple

* Change flag name to target

* Update formatting

go.mod

@@ -15,11 +15,11 @@ require (
 	github.com/spf13/viper v1.8.1
 	golang.org/x/crypto v0.0.0-20210711020723-a769d52b0f97
 	golang.org/x/oauth2 v0.0.0-20210628180205-a41e5a781914
-	google.golang.org/api v0.50.0
+	google.golang.org/api v0.52.0
 )
 
 require (
-	cloud.google.com/go v0.87.0 // indirect
+	cloud.google.com/go v0.89.0 // indirect
 	github.com/VividCortex/ewma v1.2.0 // indirect
 	github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e // indirect
 	github.com/fatih/color v1.12.0 // indirect
@@ -43,17 +43,17 @@ require (
 	github.com/pkg/sftp v1.13.2 // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/spf13/afero v1.6.0 // indirect
-	github.com/spf13/cast v1.3.1 // indirect
+	github.com/spf13/cast v1.4.0 // indirect
 	github.com/spf13/jwalterweatherman v1.1.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
 	github.com/subosito/gotenv v1.2.0 // indirect
 	go.opencensus.io v0.23.0 // indirect
 	golang.org/x/net v0.0.0-20210503060351-7fd8e65b6420 // indirect
-	golang.org/x/sys v0.0.0-20210616094352-59db8d763f22 // indirect
+	golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c // indirect
 	golang.org/x/term v0.0.0-20210220032956-6a3ed077a48d // indirect
 	golang.org/x/text v0.3.6 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto v0.0.0-20210714021259-044028024a4f // indirect
+	google.golang.org/genproto v0.0.0-20210729151513-df9385d47c1b // indirect
 	google.golang.org/grpc v1.39.0 // indirect
 	google.golang.org/protobuf v1.27.1 // indirect
 	gopkg.in/ini.v1 v1.62.0 // indirect