Merge pull request #4 from bencoman/master

Emphasis on inline code by modifying common.tex
Review of 'Coding in the debugger' chapter complete
Completed review of Chapter 8 Improving Our Model
Merge pull request #6 from bencoman/Chapter8-ImprovingOurModel

Completed review of Chapter 8 Improving Our Model
Chapter 8, rename case sensitive filename
Merge pull request #5 from bencoman/Chapter7-CodingInDebugger

Review of 'Coding in the debugger' chapter done.
Merge pull request #7 from bencoman/Chapter8-ImprovingOurModel

Chapter 8, rename case sensitive filename