Here is a new release of Monobjc Bridge. 

Issues resolved in 2.0.180.0:
=============================
- 0000020: [API] ISynchronizeInvoke interface implementation.
- 0000035: [API] Implicit conversion between RectF and CGRect are missing.
- 0000034: [API] CGRect functions are not implemented correctly.
- 0000033: [API] NSRect functions are not implemented correctly.
- 0000032: [API] NSAttributedString has mismapped constructors.
- 0000031: [API] NSSavePanel should have a RunModal method.
- 0000030: [API] Objective-C Runtime restricts assembly parsing on Mono assemblies.
- 0000029: [Build System] MonoDevelop project and solution files are out of date.
- 0000036: [Build System] monodevelop project files broken.