Renamed object/this to constructor
Renamed ApplyCall
renamed CallBack
Fixed broken links on Readme
Merge branch 'chapter3'
List formating
Merge branch 'chapter3'
Speeling
Merge branch 'chapter3'
Merge branch 'master' into chapter4
Moved simple anonymouns functions
Renamed simple recursion
Grammar fix
Rename recursion with object's property
Renamed simple recursion with object propertuies problem
Renamed problem with object property Recursion
Merge branch 'chapter4'
Merge branch 'master' into chapter3
typo
Merge branch 'chapter3'