impulse 0.2.0

Minimalist state management and dependency injection.

0.2.0

• Added error handling method attempt and Result<T> record typedef.
• Added select method to the store to react only to specific value changes.
• Made watch and select use reference counting for consitency.
• Made documentation improvements

0.1.1

• Minor readme improvements
• Added a guard against circular dependencies in refs and family refs.

0.1.0

• Initial version.