Bumping release to #4.

Author: Nick Gerakines

Makefile

@@ -1,5 +1,5 @@
-LIBDIR=`erl -eval 'io:format("~s~n", [code:lib_dir()])' -s init stop -noshell`
-VERSION=3
+LIBDIR=$(shell erl -eval 'io:format("~s~n", [code:lib_dir()])' -s init stop -noshell)
+VERSION=4
 PKGNAME=erlang_mysql
 
 all: app
@@ -27,4 +27,4 @@ test: all
 
 cover: all
 	COVER=1 prove t/*.t
-	erl -detached -noshell -eval 'etap_report:create()' -s init stop
+	erl -detached -noshell -eval 'etap_report:create()' -s init stop