expose glob method directly to Rsconscript - close #97

build_tests/simple/cvar_array.rb

@@ -1,6 +1,6 @@
 build do
   Environment.new do |env|
-    env["sources"] = Rscons.glob("*.c")
+    env["sources"] = glob("*.c")
     env.Program("simple.exe", "${sources}")
   end
 end