Merge pull request #4 from cdetrio/fix-browserify

fix for browserify compatibility

Author: holgerd77

lib/index.asm.js

@@ -4,7 +4,8 @@ all:
 	cargo build --target=asmjs-unknown-emscripten --release
 	mkdir -p lib
 	find target/asmjs-unknown-emscripten/release -type f -name "rustbn-js.js" | xargs -I {} cp {} lib/index.asm.js
-	
+	sed -ibak 's/run()$$/Module\["arguments"\]=\[\];run();module\.exports=Module;/' lib/index.asm.js
+
 wasm:
 	cargo build --target=wasm32-unknown-emscripten --release
 	mkdir -p exp