add some suggestions for feature options in specific environments
typing / -Wextra fixes
fix two (now) incorrect asserts
-Wextra fixes
add caller file/line into checked alloc macro targets
-Wextra fixes
add DUK_ASSERT_DISABLE() to allow always true asserts to be disabled in a self-documenting way, type cleanup
debug type fixes for -Wextra cleanup
-Wextra fixes
-Wextra fixes
-Wextra fixes
-Wextra fixes in call handling
-Wextra fixes
make a few variables volatile in call handling to suppress 'variable XXX might be clobbered by ‘longjmp’ or ‘vfork’ [-Wclobbered]', although this shouldn't be necessary because the variables are assigned to before the setjmp
some 'nobreak' classes for -DXXX spans
ditz issue update