Abbreviations and definitions added. Small wording changes. Put preface before TOC. Removed TOC from TOC. Added lists of figures and tables
Merge branch 'master' of github.com:ksmandersen/CCollections

# By Ulrik Damm
# Via Ulrik Damm
* 'master' of github.com:ksmandersen/CCollections:
  Binary Tree
  more enumerator code example