Get rid of monger.util/with-ns

It was an awful hack, now replaced by a less awful one.

src/monger/util.clj

@@ -29,13 +29,6 @@
   []
   (ObjectId.))
 
-(defmacro with-ns
-  "Evaluates body in another namespace.  ns is either a namespace object or a symbol.
-   This makes it possible to define functions in namespaces other than the current one."
-  [ns & body]
-  `(binding [*ns* (the-ns ~ns)]
-     ~@(map (fn [form] `(eval '~form)) body)))
-
 (defprotocol GetDocumentId
   (get-id  [input] "Returns document id"))
 

test/monger/test/collection.clj

@@ -8,9 +8,8 @@
             [clojure stacktrace])
   (:use [clojure.test]))
 
-(monger.util/with-ns 'monger.core
-  (defonce ^:dynamic *mongodb-connection* (monger.core/connect))
-  (defonce ^:dynamic *mongodb-database*   (monger.core/get-db "monger-test")))
+(monger.core/connect!)
+(monger.core/set-db! (monger.core/get-db "monger-test"))
 
 
 ;;

test/monger/test/result.clj

@@ -4,9 +4,8 @@
   (:use [clojure.test]))
 
 
-(monger.util/with-ns 'monger.core
-  (defonce ^:dynamic *mongodb-connection* (monger.core/connect))
-  (defonce ^:dynamic *mongodb-database*   (monger.core/get-db "monger-test")))
+(monger.core/connect!)
+(monger.core/set-db! (monger.core/get-db "monger-test"))