Update.
sweep add
Merge pull request #13 from kuyon/develop

sweep add
Update
Merge branch 'develop' of github.com:dyama/siren into develop
Add command "exist".
Add Wire
Add command "wire2pts", small bugfix for help command.
Merge pull request #14 from kuyon/develop

Add Wire
Add new method that convert mouse position to cubic position on 3d-view.
Merge branch 'develop' of github.com:dyama/siren into develop
Add command "close"
Merge branch 'develop' of https://github.com/dyama/siren into develop
Merge pull request #15 from kuyon/develop

Add command "close"
add command "wire2plane"
fix command "wire"
Merge pull request #16 from kuyon/develop

add command "wire2plane"
Add sample ruby module.
Imprement command "iload". Move command "selected" to command.cpp that access to static variable AISContext.
Change shape management structure. (Manage shapes in map to AIS_InteractiveContext.) And accessesor of AISContext, View and Viewer changed.
Remove regular expression header "<regex>", and change source code in "help" command.