Merge pull request #53 from dennobaby/master

Add sendExtendAccount
Add sendRemoveProfilePhoto Method
Renamed sendRemoveProfilePhoto

Renamed sendRemoveProfilePhoto to sendRemoveProfilePicture
Merge pull request #57 from SikiFn/patch-6

Add sendRemoveProfilePhoto Method
Added sendRemoveAccount

Removes account from WhatsApp server
Added sendDeleteBroadcastLists

Delete stored broadcast lists
Added latest data: token, versions, user agent
Added function to promote and demote participants

Minor updates included
Added unlock group and lock group

This feature isn’t in WhatsApp client yet, but it’s working! yay!
Handling stanza:error
Update whatsprot.class.php
Merge pull request #64 from bakrmohamed84/patch-1

Fixed typo sendLock and unlock groups.
Transparent updates
Added get_mime() function

The function mime_content_type was deprecated and currently removed in PHP 5.5, though it is still used in whatsprot.class.php.
Replaced mime_content_type()

Replaced mime_content_type() with get_mime() which was added to func.php
Merge pull request #65 from SikiFn/patch-8

Added get_mime() function
Merge pull request #66 from SikiFn/patch-9

Replaced mime_content_type()
Added privacy functions: get and set
Revert "Added privacy functions: get and set"

This reverts commit 8e9f79fdb9affb751961506b5326071fc5d29912.
Added privacy functions: get and set

Fixed typo