Fix issue 26
Merge pull request #43 from Daytron/hotfix/issue-26-and-33

Fix issue 26
Fix issue 44
Merge pull request #45 from Daytron/hotfix/issue-26-and-33

Fix issue 44
Partial fix for issue 46
Merge pull request #47 from Daytron/hotfix/issue-26-and-33

Partial fix for issue 46
Refactored the Extractor class
Refactored the Launcher class
Deleted a debugging print statement
fixed the version number in the welcome message