Implement Glob.matchAsPrefix()

This also allows matchesFull() to be used with Glob patterns.
Implement enumerateStream
Change 2013 to 2014 in copyright
Rename enumerateStream to enumerate
Fix type annotation in multimap.dart; add more meaningful types in the test so bugs like that are caught in checked mode
added missing implementation for Queue
Merge pull request #81 from yjbanov/multimap-clear-bug

Fix type annotations in multimap.dart and tests
Add Glob.matchAsPrefix() to glob test.
Add quiver.streams and move enumerate to it
Remove enumerate docs from quiver.async in README
Ensure expectation checked before test completion
Merge pull request #73 from seaneagan/master

Add quiver.streams with enumerate method
Merge pull request #82 from kevmoo/fixed_queue

added missing implementation for Queue
Add quiver.streams.concat
Fix HashBiMap to match Map<K, V> spec
Shorthand syntax for putIfAbsent
Make createTimer assignable to CreateTimer and add tests
Improve docs
Remove expectAsync usage
Add duration unit constants to quiver.time