Version bump 0.3.0: progress bar for each course

fix: Jacotsu#12

fix: test-requiments for travis

Release 0.2.2 (bugfix Jacotsu#10)

fix: version 0.2.1

chg: usr: --debug option works Jacotsu#6

fix: bug Jacotsu#1 and Jacotsu#2 should be fixed