Release 0.5.0

What's Changed

• Restructure test json's by @remkop22 in #46
• Fix Vec defaults by @remkop22 in #51
• Fix [min|max]_duration restriction in combination with PARKING_TIME by @remkop22 in #53
• Fix divide by zero panic by @remkop22 in #54
• Fix arithmetic side effects by @remkop22 in #55
• Release v0.5.0 by @remkop22 in #56

Full Changelog: 0.4.0...0.5.0