Added support for `{{.}}` notation to allow direct access to the top of the context stack.
Empty slices should render inverted sections
Added tests for implicit iterators.
Merge pull request #15 from sporkmonger/master

Added support for `{{.}}` notation to allow direct access to the top of the context stack.
Change 'float' to 'float64' in mustache_test.go
Test for bad syntax

Closes #10
Merge pull request #31 from abh/issue-10-test

Test for bad syntax
Merge branch 'upstream/master'

Conflicts:
	mustache.go
	mustache_test.go