Flesh out Chapter 9 with more examples
spelling

verb not noun
Merge pull request #210 from jimt/patch-1

spelling
Small changes to Chapter 9
Fix output for single/double quoted string comparison example
Merge pull request #211 from stevedomin/ch2-string-wrong-output

Fix output for single/double quoted string comparison example
Fix typo in section 2.8
Merge pull request #212 from stevedomin/ch2-typo

Fix typo in section 2.8
Small improvements to Chapter 2
Small improvements to Chapter 3
Small improvements to Chapter 4
Small improvements to Chapter 5
Merge pull request #209 from rylev/simplify-ch-9

Flesh out Chapter 9 with more examples
Merge pull request #213 from rylev/ch2-changes

Small improvements to Chapter 2
Merge pull request #214 from rylev/ch3-changes

Small improvements to Chapter 3
Merge pull request #215 from rylev/ch4-changes

Small improvements to Chapter 4
Merge pull request #216 from rylev/ch5-changes

Small improvements to Chapter 5
Simplify contents in chapters
Small improvements to Chapter 6
Small improvements to Chapter 7