* Checks for issue 150. We run through the test files with sanitizers on.
* Fix for issue 150: the remaining issues were an overrun on the depth capacity and an "off-by-1" overrun on tape capacity.
* Improving makefile.
* Safer git submodule command.
* Getting get 'git' on circleci
* Improving portability.
* Revisiting faulty logic regarding same-page overruns.
* Disabling same-page overruns under VS.
* Clarifying the documentation
* Fix for issue 131 + being more explicit regarding memory realloc.
* Fix for issue 137.
* removing "using namespace std" throughout. Fix for 50
* Introducing typed malloc/free.
* Introducing a custom class (padded_string) that solves several minor usability issues.
* Updating amalgamation for testing.
Daniel Lemire