factoring to support dynamic imports (wip)
ensure parsing occurs in proper order, sip
Merge branch 'real-imports' into dynamic
Merge branch 'master' into dynamic
Merge branch 'master' into dynamic
support dynamic imports; parser made smart enough to go in proper order; tests pass.
tests work under native.
basic compatibility with SD polyfill.
Merge branch 'master' into dynamic
Merge branch 'master' into dynamic