this method is NOT GOOD for KALI!!!(i-think)...
but in my VM-TESTING(32) worked-fine!(following the original-instructions)
root@hk3r:cd /usr/share/
root@hk3r:/usr/share# rm -rf w3af
root@hk3r:/usr/share# git clone
https://github.com/andresriancho/w3af.git
root@hk3r:/usr/share# cd w3af
root@hk3r:/usr/share/w3af# apt-get install libsqlite3-dev python-setuptools python-pip
root@hk3r:/usr/share/w3af# pip install clamd PyGithub GitPython pybloomfiltermmap esmre nltk pdfminer futures guess-language cluster msgpack-python python-ntlm
root@hk3r:/usr/share/w3af# pip install -e git+git://github.com/ramen/phply.git#egg=phply
root@hk3r:/usr/share/w3af# pip install xdot
root@hk3r:/usr/share/w3af# cd
root@hk3r:~# w3af
http://imageshack.us/f/690/w3af15.png/