Bugfix in MONOSITE mode

Makefile.am

 
 do_subst = sed -e 's,\[@\]INSTALLMODEL_DIR\[@\],$(install_model_dir),g' 
 
-runtest: runtest.sh
+runtest: ./runtest.sh
 	$(do_subst) < $(srcdir)/runtest.sh > runtest
 	chmod +x runtest
 

lodel/context.py

                 self.__class__._current = self.__class__._contexts = self
                 self.__pkg_name = 'lodel'
                 self.__package = lodel
+                self.__instance_path = os.getcwd()
                 return
         else:
             #Multisite instanciation
                 """
                 warnings.warn("It can be a really BAD idea to create a \
 a context without a path......")
+                self.__instance_path = None
             else:
                 self.__instance_path = os.path.realpath(instance_path)
             #Importing the site package to trigger its creation