.
.
OOP
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minor formatting/naming fixes
usage() if no program given
handle error 'cannot start executable'
improved usage
fixed dozens of bugs
check rc of cmd and tee
pr_verbose, HashSet, CacheOptParser
minor reformatting
fix compilation issue
fixed typo
fixed debug message text
implemented -r
implememnted --no-stdin
Merge remote-tracking branch 'github/master'
filled in README.md