a start
Merge branch 'master' into Chapter4.2

* master:
Merge branch 'master' into Chapter4.2

* master:
  Added corrections for chapter 8, pages 205-205.3
Def4.10
Merge branch 'master' into Chapter4.2

* master:
  fixed typos in chapter 6
  fixed typos in chapter 7
  fixed some typos
Merge branch 'master' into Chapter4.2

* master:
  Automatically generated PDFs
-Page 152
Merge branch 'master' into Chapter4.2

* master:
  Generated New PDFs
  Continued work on chapter 3
Merge branch 'master' into Chapter4.2

* master:
  Generated New PDFs
  removed leftover file
  Continued work on chapter 3, other
  updated readme
  Generated New PDFs
  Finished PDF week 5 (Chap 3)
  Chapter 2 reviewed
Some more work
Merge branch 'master' into Chapter4.2

* master:
  Generated New PDFs
  Continued work on chapter 3, other
  fixed typos in chapter 8
  update README to include work on chapter 8
  typo in the filename of chapter 8
  Updated spell-checking progress
  Generated New PDFs
  Finished week 7 (chapter 3)
work
Merge branch 'master' into Chapter4.2

* master:
  Generated New PDFs
  removed a PDF
  Generated new PDFs due to prev. typesetting error
  Modified todo which caused issues in chap 8
p155top
Merge branch 'master' into Chapter4.2

* master:
  Generated New PDFs
  updated readme to reflect new status
  Finished chapter 3, started chapter 5
Merge pull request #25 from bimmlerd/Chapter4.2

Chapter 4 update