Added ch1p3 solution which is closer to the books solution after comments from paplorinc.

Added ch3p6. Finished chapter 3.

Added ch3p5.

Added ch3p4.

Added ch3p3 and tests.

Improved multi stack tests to check for errors.

Added ch3p2.

Added ch3p1.

Added Queue implementation with tests.

Added chapter 3, and an implementation of a Stack, with tests.

Added ch2p8, ch2 is now complete. Modified test files to not use reflect if not required (on basic types).

Added ch2p7.

Added ch2p6.

Added ch2p5.

Added ch2p4. Refactored ll insert to use insertNode sub method.