message: exported constants and InMemoryFileReader
diff: @@ -2,4 +2,6 @@ export { WasmWrapper } from "./WasmWrapper";
  export { WasmPackage } from "./WasmPackage";
  export { IWasmPackage } from "./IWasmPackage";
  export { IFileReader } from "./IFileReader";
  +export { InMemoryFileReader } from "./InMemoryFileReader";
  export { WrapImports } from "./types";
  +export * from "./constants";
  