fallback to throwing Error if creating DOMException fails
Merge branch 'domeerror-fallback-to-error' of https://github.com/marianoguerra/IndexedDBShim into marianoguerra-domeerror-fallback-to-error

Conflicts:
	dist/IndexedDBShim.min.js
	dist/IndexedDBShim.min.map
Merge branch 'marianoguerra-domeerror-fallback-to-error'