fixes:

- fixed bumpedge test for obstacles
- fixed obstacle crash when going to the south or east
- added wasm builder

Makefile

@@ -4,7 +4,8 @@ COMMIT    = $(shell git rev-parse --short=8 HEAD)
 BUILD     = $(shell date +%Y.%m.%d.%H%M%S) 
 #VERSION  := $(if $(filter $(BRANCH), development),$(version)-$(BRANCH)-$(COMMIT)-$(BUILD),$(version))
 VERSION := $(version)-$(BRANCH)-$(COMMIT)-$(BUILD)
-
+SHORTVERSION := $(version)-$(BRANCH)-$(COMMIT)
+LDFLAGS := -ldflags "-X 'openquell/config.VERSION=$(VERSION)'"
 
 all: clean build
 	@echo ok
@@ -15,6 +16,11 @@ clean:
 build:
 	go build -ldflags "-X 'openquell/config.VERSION=$(VERSION)'"
 
+buildwasm:
+	env GOOS=js GOARCH=wasm go build -o openquell.wasm $(LDFLAGS) .
+
+zipwasm:
+	zip -r openquell-$(SHORTVERSION).zip index.html openquell.wasm wasm_exec.js
 
 test:
 	@echo $(VERSION)