Call setter on explicitly quoted strings.

Fixes #7.
Support map merging.

Fixes #1.
Add support for marshaling durations.
Fix typo
Merge pull request #9 from shawnps/v1

Fix comment typo.
Fix Setter handling on non-pointer fields.

Fixes #8.
Merge branch 'v1' of github.com:go-yaml/yaml into v1
Note in LICENSE.libyaml the specific files covered.
Fix handling of < in values, broken by map merging

Fixes issue #24.
Add copyright notice to LICENSE file.
marshal top level nil correctly
Marshal base 60 floats quoted for YAML 1.1 compat.

Closes #34.
Whitelist good panics instead of bad ones.
Better unmarshalling for "null".

Fixes #35.
Support !!binary data.

Fixes #31.
Fixes #32.
Better error on invalid map keys.

Closes #25.
Update README.
Ordered map support with MapSlice.
New marshaler and unmarshaler interfaces.
Proper reporting of type errors.