wc: fix build
Merge pull request #350 from ebfe/wc

wc: fix build
wc: add message when reading directories
Merge pull request #351 from Arcterus/wc-message

wc: add message when reading directories
cksum: add massive performance improvements
Merge pull request #352 from Arcterus/cksum-perf

cksum: add massive performance improvements
cksum: improve performance slightly
base64: slightly improve decoding performance speed
Merge pull request #355 from Arcterus/perf

Performance improvements
fmt: switch to char.width() method
Merge pull request #356 from kwantam/master

fmt: switch to char.width() method
Small performance enhancements

Get rid of half filled heuristic and use unsafe array indexing because
the indices should always be correct.
add test
Merge pull request #357 from polyphemus/cut-bytes-rewrite

Small performance enhancements for cut: bytes cutting
Merge pull request #354 from mahkoh/test

Implement test
test: fix build
Merge pull request #358 from Arcterus/test-fix

test: fix build
Force programs to rebuild when a dependency changes
Update for lastest Rust
Merge pull request #360 from Arcterus/makefile-fixes

Force programs to rebuild when a dependency changes