Added proposed edits for Chapter 5.
Added proposed edits for Chapter 6.
Added proposed edits to Chapter 7.
Added proposed edits for chapter 8.
Merge pull request #6 from eplawless/Edit-Chapter5

Added proposed edits to Chapter 5.
Merge pull request #7 from eplawless/Edit-Chapter6

Added proposed edits for Chapter 6.
Merge pull request #8 from eplawless/Edit-Chapter7

Added proposed edits to Chapter 7.
Merge pull request #9 from eplawless/Edit-Chapter8

Added proposed edits for chapter 8.
Merge branch 'master' into solutions