Fix bugs reported in original project#4

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ibrewster wants to merge 3 commits into4d:masterfrom

ibrewster:master

Commits on Dec 19, 2014

Update with changes to fix several bugs and reduce compiler warnings
Israel Brewster
committed

Commits on Dec 22, 2014

Fix memory leaks
Israel Brewster
committed

Commits on Dec 23, 2014

Remove custom free function, it is no longer needed for other code
Israel Brewster
committed