base methods for creating Java-like dates
fixed sdl4r_test under 1.9.3
trying normal sdl4r tests with exotic dates
Java exotic dates implemented
Merge branches 'HEAD' and 'java-dates' into serialization

Conflicts:
	.gitignore
	CHANGELOG
	LICENSE
	Rakefile
	TODO
	lib/sdl4r/parser.rb
	lib/sdl4r/parser/reader.rb
	lib/sdl4r/parser/time_span_with_zone.rb
	lib/sdl4r/parser/token.rb
	lib/sdl4r/parser/tokenizer.rb
	lib/sdl4r/sdl4r.rb
	test/sdl4r/parser_test.rb
	test/sdl4r/sdl4r_test.rb
	test/sdl4r/sdl_test.rb