Add sendGetNormalizedJid Method

Added the sendGetNormalizedJid Implementation
Update README.md
Merge pull request #47 from SikiFn/patch-3

Add sendGetNormalizedJid function
Merge pull request #50 from dennobaby/master

added event onGetNormalizedJid
added sendPing function
Add event for getBroadcastLists
corrected idention
Added the sendGetBroadcastLists function
Merge pull request #51 from dennobaby/dev1

Add event for getBroadcastLists
Add sendExtendAccount