matcher_op_private
matcher: add in some opcode ideas.
matcher-opcode: compilation fixes.
whitespace.
matcher-op: stub some fixes.
matcher-op: new functions for op types.
matcher: stub out matcher_op_match.
matcher-op: allow true/false with exists op.
matcher-op: add support for $exists and eq opcode.
matcher-op: add matcher for $type.
matcher-op: allow for NULL right (for NOT)
matcher-op: start on to_bson function for serializing back out.
matcher-op: add not op type.
matcher-op: free not structure.
matcher-op: finish up to_bson()
use BSON_ASSERT().
matcher-op: stub out match functions.
matcher-op: add logical matchers.
matcher-op: stub out comparators.
matcher parser, first work