lang: Don't imply vm_tailcall uses a queue

lang: Clean up one-line if statements

lang: Clarify usage of traverse_module_uses

lang: Use calloc for vm_create

lang: Rename module args to use_modules

lang: Pass dependencies to modules

lang: Switch to for loops for string iteration

lang: Create a module and find its dependencies in a new function

lang: Fix const uses for ModuleInfo

lang: Create modules and dependencies on request

lang: Don't double traverse visited modules

lang: Fix another off-by-one error

lang: Remove unused include

lang: Rename module_stack top to next

lang: Fix off-by-one error stack setting

lang: Support multiple traverses

lang: Moved visited stack to module_find

lang: Switch to depth first search for modules

lang: Add module loading dependency walker

lang: Print all done when main is finished

lang: Add code to find a module by its name

lang: Add a second module as a test

lang: Add module IDs as X macros

lang: Parse a module ID to the compiler

lang: Automatically find modules

lang: Error on compile pass failure

lang: Read module name and module uses

lang: Add multiply and divide and rational loop test

lang: Use mpq functions for rational math

lang: Allow creating rationals from an mpq value