include unit test package in installation
get_class_for has no named argument 'decode'
set_options should always be called, also when no options are specified; redefine default value for toolchainopts as None
add test for initializing toolchain in an EasyConfig instance
fix patch_perl_script_autoflush and add unit test for it
Merge pull request #624 from boegel/v1.4.x

bug fixes for v1.4.0