[FIX] string are seqable, but (maybe) you want to render it instead o…

[luhhujbb]

…f iterate over it

In my template, I don't wan't to iterate over string.
example
{{#greet}}Hello, World!{{/greet}}

with
{:greet "true"} ;;(not booelan true, but string)

will return
Hello, World!Hello, World!Hello, World!Hello, World!

This is for me a bit weird.

[ayato-p]

I need this PR!
@fhd Could you merge this and release to Clojars?

[luhhujbb]

I've deployed my version into clojars as luhhujbb/clostache