various tweaks, new way to packing data

Author: ba0f3

README.md

@@ -50,11 +50,10 @@ Usage
 import struct
 
 # >>> pack('hhi', 1, 2, 3)
-var st = newStruct("hhi")
-var output =  st.add(1.int16).add(2.int16).add(3.int32).pack()
+var output =  pack("hhi", 1, 2, 3)
 
 # alternative way to pack
-# output = pack("hhi", newStructShort(1), newStructShort(1), newStructInt(3))
+# output = pack("hhi", newStructInt(1), newStructInt(1), newStructInt(3))
 
 # >>> unpack('hhi', '\x00\x01\x00\x02\x00\x00\x00\x03')
 var result = unpack("hhi", output);