added testcase showing issue #3
simplified variant of issue #3, for easier debugging
add one more test related to issue #3
add another weird testcase
add more testcases
collected all bug3 tests to one table
fix Example to work as a test
Fix #3. Hope it doesn't break anything else...
readme: drop some old obsolete notes
.travis.yml: travis-ci integration
readme: add fancy badges

build status via Travis-CI, MIT license info & godoc link via shields.io
readme: use canonical godoc.org badge
added tests
merged with polyclip changes
Fixed PointInPolygon bug