Update copyright notices.
Normalize line endings to Unix format.
Add IEquatable implementations to classes; add unit test project.
Change IniSerializer to use a factory pattern.

Have more ideas to improve this later.
Change OrderedDictionaryList's internal Node to a struct.
Add implementations of Contains(), CopyTo(), and Remove().

Should probably add some unit tests for these.
Add unit test for OrderedDictionaryList; fix a bug found from the test.