Merged support for parsing boolean, number, date and null + some cleanup#17

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vgrichina wants to merge 6 commits intomirek:masterfrom

vgrichina:master

Commits on Apr 8, 2013

Primitive and incomplete support for parsing scalar as null, boolean, number and date
Tony Xiao
committed

Commits on Mar 3, 2014

Fixed memory corruption problem
vgrichina
committed