Allow to access functions from FuncMap

[pavelvlasov]

Seems, that calling only works for built-in functions, because

#{foo($bar)}

transforms into {{call .foo $bar}}, but should be without . character. It can cause #25 issue. More elegant solutions are welcome :)

[deankarn]

bump, any word on this pull request? I have the exact same issue.

[ghost]

I have the same issue, pull request appears to fix it for me. It would be great if this could get fixed - even if just as a stop-gap solution.

[bradrydzewski]

+1

[xyproto]

I also encountered this problem in algernon, but when using a template.FuncMap when rendering the template with Amber, it worked.