Exclude `<!DOCTYPE>`. See: websharks/html-compressor#39
Merge pull request #40 from websharks/feature/39

Exclude `<!DOCTYPE>`. See: websharks/html-compressor#39
Bug fix; hanging `-->`. See: websharks/html-compressor#39
Merge pull request #41 from websharks/feature/39b

Bug fix; hanging `-->`. See: websharks/html-compressor#39
Bump version to 140901