Fake versioning and help output

bin/etherpump

@@ -27,18 +27,24 @@ For more information on each command try:
 try:
     cmd = sys.argv[1]
     if cmd.startswith("-"):
-    	cmd = "sync"
-    	args = sys.argv
+        args = sys.argv
     else:
-    	args = sys.argv[2:]
+        args = sys.argv[2:]
+
+    if any(arg in args for arg in ['--help', '-h']):
+        print(usage)
+        sys.exit(0)
+    elif any(arg in args for arg in ['--version', '-v']):
+        print('etherpump 0.0.1')
+        sys.exit(0)
+
 except IndexError:
-    print (usage)
+    print(usage)
     sys.exit(0)
 try:
     # http://stackoverflow.com/questions/301134/dynamic-module-import-in-python
     cmdmod = __import__("etherpump.commands.%s" % cmd, fromlist=["etherdump.commands"])
     cmdmod.main(args)
 except ImportError as e:
-    print ("Error performing command '{0}'\n(python said: {1})\n".format(cmd, e))
-    print (usage)
-
+    print("Error performing command '{0}'\n(python said: {1})\n".format(cmd, e))
+    print(usage)