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

main.go

@@ -5,11 +5,11 @@ import (
 	"speedrun/cmd"
 
 	"github.com/apex/log"
-	"github.com/apex/log/handlers/cli"
+	loghandler "github.com/apex/log/handlers/cli"
 )
 
 func main() {
-	h := cli.New(os.Stdout)
+	h := loghandler.New(os.Stdout)
 	h.Padding = 0
 	log.SetHandler(h)
 	cmd.Execute()