Extension 7: Logging

Merge pull request #12 from Quitlox/feature/ext7_logging

Feature Extension 7 Logging

Extension 6: Savings Account

Merge pull request #11 from Quitlox/fix/post_ext6_unrelated_fixes

Post Extension 6 Unrelated Fixes

Extension 5: Overdraft

Merge pull request #9 from Quitlox/fix/post_ext5_unrelated_fixes

Post Extension 5 Unrelated Fixes

Extension 2: Blocking and unblocking PIN cards

Merge pull request #7 from Quitlox/fix/post_ext2_unrelated_fixes

Post Extension 2 Unrelated Fixes

Extension 4: Time Simulation

Merge pull request #5 from Quitlox/fix/post_ext4_unrelated_fixes

Post Extension 4 Unrelated Fixes

Extension 3: Replace PIN card

Merge pull request #2 from Quitlox/fix/post_ext3_unrelated_fixes

Post extension 3 unrelated fixes