Closing some long standing issues

Issues:
#34 is fixed by #39 (thanks to @bestwnh)
#27 is fixed by #37 (thanks to @comawill)
#29 should be fixed by 1e41f37 (I don't have a 32bit Mac so I cannot verify)

New things:
#47 adds Travis CI support (thanks again @comawill)
#41 removes a third party dep (thanks @regexident)
4ed3730 runs qlmanage -r after the build so you don't have to