Bump version: v0.11.0

Bump version: v0.10.13

Bump version: v0.10.12

Bump version: v0.10.11

Bump version v0.10.10

Bump version: v0.10.9

Ensure we only emit `end` once. Bump version.

Fix issue danmactough#34 .parseString() emitting too soon. All `emit(…

…)` and `callback()` are wrapped in `process.nextTick()`. Bump version.

Bump version

Bump version. Update README with additional dependency. Add History.md.