Prepare v0.5.0 (#174)

* Update setup.py

* Update conf.py

* Update whats-new.rst

Update whats-new.rst

set v0.4.1 in setup.py

Prepare for v0.4.0 (#157)

* Update setup.py

* Update whats-new.rst

Prepare for v0.3.10 (#143)

* Update setup.py
* Update whats-new.rst

Prepare for v0.3.9 (#133)

* set v0.3.9 in setup.py

* update README also the list of example notebooks

* updated whats-new file

prepare for v0.3.8

prepare for v0.3.7 (#127)

prepare for v0.3.6 (#114)

* Update whats-new

* bump to v0.3.6 in setup.py

Update whats-new.rst