Update problem.txt

Added hint to help users find the requisite part of the docs
Merge pull request #7 from Sequoia/master

Add hint to help find the relevant part of the Node docs
0.0.5
Update grammar in helper.txt
make solution more apparent to the beginner. this isn't stream adventure
Merge pull request #12 from davearel/patch-1

Update grammar in helper.txt
add more information to problem description
upgrade bytewiser and active exercises to workshopper v1.0.0-alpha05
remove legacy problems directory
add random number instead of hardcoding; remove console.log of arguments
add v0.10.26 node_apidoc
update hexademical_encoding exercise to pass array of bytes via process.argv
Merge pull request #16 from sent1nel/patch

upgrade bytewiser and active exercises to workshopper v1.0.0-alpha05
tweak description on hexadecimal_encoding
2.0.0
Different Uint8Array constructor used

Uint8Array has a constructor which allows you to create typed array from the custom sequence.
This solution works and passes all the tests.
Removed finish space
Remove unnecessary argument to 'readable' callback
Merge pull request #20 from ajcrites/concat-clarity

Remove unnecessary argument to 'readable' callback
Merge pull request #19 from vpukhanov/master

Changed solution for "Typed Arrays"