Added ability to run commands in a shell

Diverges a small amount from the Python version for this.

util.go

@@ -1,3 +1,24 @@
 package main
 
+import (
+	"log"
+	"os/exec"
+	"strings"
+)
 
+/// escapeCommandShell accepts a command to be executed by a shell and escapes it
+func escapeCommandShell(command string) string {
+	// Remove extra spaces and newlines from ends
+	command = strings.TrimSpace(command)
+	// TODO: Not sure if this part is actually needed. Should verify
+	// Escape double quotes since this will be passed in as an argument
+	command = strings.Replace(command, `"`, `\"`, -1)
+	return command
+}
+
+/// ShellCommand takes a string and executes it as a command using `sh`
+func ShellCommand(command string) *exec.Cmd {
+	shellCommand := []string{"sh", "-c", escapeCommandShell(command)}
+	log.Printf("Command: %v", shellCommand)
+	return exec.Command(shellCommand[0], shellCommand[1:]...)
+}