v0.4.1

• BugFix: Added C.UTF-8 default language set for executeCommand function.
• BugFix: Clean the local cache always produced a postponed crash after some specific install transactions.
• BugFix: Modified code to find pkg db in DragonFlyBSD.
• BugFix: Added reference to new LGPL v2.1 license.
• Added support to NomadBSD.
• Improvement: Show a "Collecting transaction data..." msg before presenting the transaction dialog, as it can be quite slow on some systems.