Fixes

• Improve activeWhen to support query-strings in URL (#594 #593 via @Sauloxd)
• Fix types for parcel props (#596 via @kuitos)
• Add console warning when single-spa is loaded twice on the same page. (#577)

Maintenance

• Fix Travis CI badge in Readme (8fdbb93)
• Adding Sponsor button for Github Sponsors and Open Collective. (#582)