Multiple PATH arguments, truncation fix, fmt, clippy #92
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One bugfix when printing results, add support to search in more than one PATH, bring the README up to date, plus smaller fixups:
Fix result truncation being off by one
The final '}' in a block was truncated when no line numbers were used.
Accept multiple PATH arguments
Reading from stdin / '-' can be one of them.
Plus when searching in '.' avoid the middle dot like
'/path/./src/foo.c' when converting to an absolute path.
Update README.md with new --help output and fix trailing whitespace.
Fix alignment of -h/--help output
Fix clippy warnings and a typo
Run cargo fmt