Make the transition to ArrayBuffer backed Arrays (#70)

* Traverse base classes when resolving overloads
* Implement preliminary TypedArray accessors
* Extract decorator flags from common flags to make space
* Add '**' overload
* Implement basic explicit inlining
* Support inlining of instance methods
* Reduce number of required locals when inlining
* Implement inlining of operator overloads
* Fix issues when inlining generic functions

tests/compiler/std/string.optimized.wat

@@ -3725,7 +3725,15 @@
     )
     (i32.const 1)
    )
-   (unreachable)
+   (block
+    (call $abort
+     (i32.const 0)
+     (i32.const 72)
+     (i32.const 391)
+     (i32.const 6)
+    )
+    (unreachable)
+   )
   )
   (if
    (i32.and