Merge pull request #26 from cartec/master

Mechanical fixes
Fixing #25.
Fixing #24.
Uppdate doc no, pub date.
Adding examples.
Updating generated doc.
Upating PDF.
Syntax fix on code at 3.1.1 Lambda expressions p2
Merge pull request #27 from fpelliccioni/master

Syntax fix on code at 3.1.1 Lambda expressions p2