Here you (should) find some information you need, if you want to improve EasySok. First of all you should create the source-code documentation of EasySok. To do this, you need doxygen. After you have installed it, just type:
make src-docand look at the generated html-documentation in the html-directory.
Just to give you a starting point, we suggest you look a the classes in (roughly) the following order:
You can also browse the documentation online.