Stuff.
Add remaining parameters.
Add BSON node ctor shortcut.
Implement key indexing.
Add support for every BSON type except 'JavaScript code with scope'.
Remove incomplete/unnecessary comment.
Remove incomplete/unnecessary comment.
Revert "Remove incomplete/unnecessary comment."

This reverts commit fa9fd149028b970f05b8440179e5c82727846fd0.
Add proc that simplifies the retrieval of elements from a homogenous BSON array.
Use the unittest module.
Temporary renaming of modules.
Adapt to temporary rename.
Rename BSON field; add BSON time constructor.
More pedantic unit testing.
Add missing enumerators.
Remove trailing whitespace.