bump version to 0.3
bump version to 0.3

ifeherva/HSTracker,jonnguy/HSTracker,jonnguy/HSTracker,mattwelborn/HSTracker,mattwelborn/HSTracker,mattwelborn/HSTracker,zeptolee/HSTracker,mattwelborn/HSTracker,zeptolee/HSTracker,jonnguy/HSTracker,ifeherva/HSTracker,bmichotte/HSTracker,bmichotte/HSTracker