Introduced environment instvar in Tools::NavigatorModel.
All references to Smalltalk were rewritten to access `environment`
instvar instead. The `environment` defaults to Smalltalk (set in
#initialize).
@REM -------@REM make using mingw gnu compiler@REM type mingwmake, and wait...@REM do not edit - automatically generated from ProjectDefinition@REM -------@pushd ..\rules@call find_mingw.bat@popdmake.exe -N -f bc.mak %USEMINGW_ARG% %*