Version 0.5.0

Version 0.5.0 changes:

• Support for comments (code, HTML, conditional)
• Support template pre-compilation
• Multiline verbatim text support
• Fix EEx rendering of fn -> and do
• Fix error with EEx templates without bindings
• Attribute merging support

As part of this release, I'd like to welcome @Rakoth to the team!

• Add Alexander to package contributors