Closes #140

Added some background on the concatenation operator, as well as what it means for the numbers used in this context.
Closes #141

Explains the prefix notation of "0b".
Closes #50

Intro to DSA
Closes #51

Explanation of DSA parameter generation
Closes #159

Explanation of DSA key generation.
Updates to pull request 218

Closes #140
Closes #141
I don't think b (a random number) should be the same as the number of blocks in the message
Merge pull request #220 from 67Bricks/oneTimeMacPolynomial

One-time mac polynomial equation
Merge pull request #218 from jsachs/explanations

Better explanations for bits and concatenation
Comments for #50, #51, and #159
Merge pull request #219 from jsachs/DSA-key-generation

Dsa key generation