self-closing with slash
Merge pull request #7 from nporteschaikin/syntax

(WIP) New syntax
Attributes with interpolation
Merge pull request #8 from nporteschaikin/syntax

Attributes with interpolation
0.0.5
tests for tag attribute interpolation.
Merge branch 'syntax'
add variables(or locals)-in-attributes syntax to README.
Merge branch 'syntax'
attr loop can no longer run infinitely
0.0.6