Added File.readLines, closes #60
Added File.readBytes, closes #58
Added InputStream.closeAfter
Fix typo in tests
Added OutputStream.closeAfter
Added File.writeBytes, closes #59
Added File.writeLines, closes #61
Merge branch 'master' into 2.9

Conflicts:
	core/src/main/scala/pimpathon/java/io/InputStream.scala
	core/src/main/scala/pimpathon/java/io/OutputStream.scala