small changes - seems to have bugs :S
added Lua namespaces (just a poc)

use this Lua code to test:

rs = rsInit()
rs.clear()
rs.print( "namespaces!" )
cherry picked commit 'eb59fbc78c39f760ec1979366e05c6138a258353'

for bug fixes in LuaList
Merge branch 'LuaNamespaceTest'