TODO:

- Testing Lane killing (not cancellation, but actual killing)

- Like luaproc: Lanes to have M:N relationship to kernel threads
	(= give a maximum number of kernel threads to run, then juggle those to run a Lane, 
	until the lane suspends, blocks, or exits)
	(default could be twice the kernel threads of the CPU count, or something.)

- Like luaproc:
"only the basic standard 
library and our own library are automatically loaded into each new Lua process. The re- 
maining standard libraries (io, os, table, string, math, and debug) are pre-registered and 
can be loaded with a standard call to Lua’s require function. "

- Lanes so/dll to have a second interface; C code sending data to a linda of given void*

 ---
  Documentation Errors in docs/index.html

  ---
  lanes.register() — full userdata accepted, wrong

  Doc says: Raises an error if the registered module is not a function, table, or full userdata.
  Code (lanes.cpp): Only checks for TABLE or FUNCTION:
  luaL_argcheck(L_, (_mod_type == LuaType::TABLE) || (_mod_type == LuaType::FUNCTION), 2, "unexpected module type");
  Full userdata is rejected, not accepted.
  However, PopulateFuncLookupTable handles the USERDATA case, so this has to be investigated more.