modified:   lib/pyutils/common/fileutils.py
	renamed:    lib/pyutils/expr/__init__.py -> lib/pyutils/exp/__init__.py
	renamed:    lib/pyutils/expr/run.py -> lib/pyutils/exp/run.py
	renamed:    lib/pyutils/expr/stats.py -> lib/pyutils/exp/stats.py
	renamed:    lib/pyutils/expr/txtproc.py -> lib/pyutils/exp/txtproc.py