IronPython 1.x

These are patches against the latest release of IronPython 1.x branch, which is currently IronPython 1.1.

This patch lets Python codes using __import__ to force absolute import work.
This patch includes modifications to makefile and IronPythonConsole to make IronPython to work better on Mono.
This patch fixes an issue that -S option causes IronPython to omit Lib from sys.path.
This patch implements access function missing in os module.

List of patches against previous versions of IronPython are also available.