# 1.0.7 * Prepare for upcoming Dart SDK change where `HttpHeaders` methods `add` and `set` take an additional optional parameter `preserveHeaderCase` (thanks @domesticmouse!). # 1.0.6 * Prepare for upcoming Dart SDK change whereby `HttpRequest` implements `Stream` rather than `Stream>`. # 1.0.5 * Add `toString` to `MockHttpHeaders`. # 1.0.4 * Fix for `ifModifiedSince` # 1.0.3 * Dart2 fixes * Apparently fix hangs that break Angel tests