Release 0.8.0

* Issue #62: New version number due to a semver-breaking change,
  reported by @kornelski.

Otherwise same as 0.7.4:

* PR #55 from kornelski: Improve benchmarks.
* Part of issue #20: Allow template source files to be named *.rs.svg
  or *.rs.xml as well as *.rs.html.  The generated template functions
  will simlilarly be suffixed _svg, _xml or _html (any template_html
  will get a template alias, for backwards compatibility.
* PR #61 from Eroc33: Improve parsing for tuple and generic type
  expressions.
* Fix old doc link in readme.
* Update dependencies in ructe and examples.

Thaks to @kornelski and @Eroc33.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ructe"
-version = "0.7.4"
+version = "0.8.0"
 authors = ["Rasmus Kaj <kaj@kth.se>"]
 description = "Rust Compiled Templates, efficient type-safe web page templates."
 documentation = "https://docs.rs/ructe"