Tearing down src/filesystem.cpp code
refactor circa_use_standard_filesystem
Start cpp_codegen.ca. Move for-loop related tests into tests/for/
add tests/methods.ca, rename the :implied_rebind qualifier to just :rebind
fix some bad search-and-replace
Refactoring the generated terms from complex assign()
Fix methods.ca test. Fix rebind of a type's field.
Fix subroutine w/ multi outputs, and add tests/multi_outputs.ca
Rebinding methods now just use the :out system that multi outputs use
add tests for methods that return values
Refactor errors of missing functions, now they use global unknown_function()
add Term.property method
Add List.join and improve List.slice
Add Function.name and improve handling of Function hosted type
bug fix, 'continue' statement was crashing
Checkpoint. Add some tests. Working on rebound inputs with for-loop continue
refactor return() evaluation. Working on continue() outputs
Mini checkpoint, eliminating loop_output() in for()
Fix for-loop, add Frame.loop
Fix tests/internal build. Chop out src/testing.h (now exists as tests/internal/framework)