v0.2.1

• 0f86654 [fixed] checks for class instead of components
• a3d6e2a [changed] Render empty div before transition hooks
• f474ab1 [changed] '.' is no longer a path delimeter
• f3dcdd7 [fixed] injectParams invariant should not throw on values that coerce to false.
• 468bf3b [changed] Deprecate Router interface
• 31d1a6e [added] renderComponentToString()