gofmt

and removed comments for template delimiter functionality
ReadCloser -> Reader

make the functions more general by requiring just a io.Reader interface
export more versions of Filter to accept byte arrays strings
Refactored JS function away

user can implement minifiers
convenience function to add a command line program to process the
minification
Refactor to accept writer

is more efficient with recursive filters (CSS in HTML for example)
Better recursive filtering

HTML now passes writer to recursive filters
Better recursive filtering #2

compiler errors fixed
ImplementCmd more general

accepts *exec.Cmd instead of command string
Html and Css are now HTML and CSS respectively
Basic tests added
URL protocol https: not stripped

https: is probably not the default protocol and cannot be inferred by
the browser, therefore it cannot be removed
Updated README
Updated README