added option to FastWriter which omits the trailing new line character
Merge pull request #33 from donmilham/master

added option to FastWriter which omits the trailing new line character
free does nothing if parameter equals NULL
snprintf already calculated the length
snprintf does return a signed integer

assert if returned value is neagtive
ws
clarify return value
Merge pull request #30 from mloy/redundant-strlen
pull request #35 from finblarr:patch-1

fix build directory, within repo tree
ws
Switch to copy-and-swap idiom for operator=.
This allows the compiler to elide a copy when rhs is a temporary.
Merge pull request #37 from BillyDonahue/value-efficiency

Switch to copy-and-swap idiom for operator=.
allow python3
fix for python2
Merge branch 'SuperManitu:python3' from issue #36
deprecate makerelease.py (someday drop version.h too?)
makefile for simple testing

This is hard to use within Travis-ci.com because that uses
build variants.
stop ignoring version.h
generated for the last time, maybe
stop using version.h.in for cmake