Changed parameter order (height, width --> width, height) in various setters in SwissInpaymentSlip
Increased version number to 0.3.0 (API change)
Reverted namespace change in SwissInpaymentSlipDataTest
Changed parameter order (height, width --> width, height) in setSlipSize and its protected setters in SwissInpaymentSlip
Increased version number to 0.4.0 (API change)