Merge pull request #35 from imos/experimental

Merge.

Makefile

@@ -1,8 +1,10 @@
 concat:
 	@echo '#!/bin/bash' >imosh
-	@echo "# Last update: $$(git log --date=iso --pretty=format:'%cd (%h)' library | head -n 1)" >>imosh
-	@echo '#' >>imosh
-	@for library in library/*.sh; do \
+	@echo '# imos is a utility library for BASH.' >>imosh
+	@echo '' >>imosh
+	@echo "IMOSH_VERSION='$$(git log --pretty=format:'%ci (%h)' library | head -n 1)'" >>imosh
+	@echo '' >>imosh
+	@for library in library/*.sh library/*/*.sh; do \
 	  cat "$${library}"; \
 	  echo; \
 	done >>imosh
@@ -13,5 +15,5 @@ test: concat
 	bash --version
 	env
 	bash -c shopt
-	@if ! bash test/main.sh test/*_test.sh; then exit 1; fi
+	@if ! bash test/main.sh test/*_test.sh test/*/*_test.sh; then exit 1; fi
 .PHONY: test