Object-Utils: improve exception class
os/ProcessState - slight OO improvement
New module: utils/time_utils - global system time
OS-State module: general improvements

Better exceptions, use global time
Storage-Objects: use global time, don't require OS
ProcessState: require OS, FS objects
New Module: Program-Base

Base class for runnable programs
New Program: 'date' with minimal implementation
Imported 3rd-party Module: Posix-GetOpts
Object-utils: new functions: IsStrict{float,integer}Value()
Streams: bugfix (all streams sharing lines)
Program-Base: add two common help functions to report errors
New Program: seq(1)
New tool: 'run_prog'
more PLANS and TODOs