version 0.5.0

Fix bug when doing get_data from an Array with one element. (#50)

* Fix bug when doing get_data from an Array with one element.

Fix SAX and Visvalingam tests. (#45)

Fix/clustering (#44)

* Adding clustering module to init

* Updating changelog

Release version 0.1.0 of the Khiva Python binding

Release candidate of the version 0.1.0 of the Khiva Python binding