quiver 0.21.0

A set of utility libraries for Dart

0.21.0

• Multimap: toMap() is deprecated and replaced with asMap(). toMap() will be removed in v0.22.0.
• Cleanup method signatures that were inconsistent with the core library.
• Added areEqualityGroups matcher for testing operator== and hashCode.
• CONTRIBUTING.md added.

0.20.0

• Multimap: better toString() on returned collections.
• Multimap: Bugfix: support edits on empty value collections.
• Multimap: Added missing return statment in fold.
• Added isEmpty() in strings.
• Added max SDK constraint <2.0.0
• Minor updates to README.md.
• CHANGELOG.md added

0.19.0+1

• Corrected version constraint suggestion in README.md.