Add new name to README, added examples

README.md

@@ -1,3 +1,14 @@
-# ipcalc.py
+# iptrans.py
 
 Calculated different representations for IPv4 addresses
+
+## Example
+```
+$ ./iptrans.py 127.0.0.1
+Address 127.0.0.1 equals dec 2130706433 / 127.1 / 127.0.1
+                  equals oct 017700000001 / 0177.01 / 0177.00.01
+                  equals hex 0x7f000001 / 0x7f.0x1 / 0x7f.0x0.0x1
+$ ping -c 1 0x7f000001
+PING 0x7f000001 (127.0.0.1) 56(84) Bytes Daten.
+64 Bytes von 127.0.0.1: icmp_seq=1 ttl=64 Zeit=0.027 ms
+```