helpers: renamed ``template_func`` to ``template_def`` (that's what mako objects are called)
index: moved module tutorial to the first place
cluda: added a Module.create() constructor
cluda: separated Snippet and Module
Fixed broken links in the documentation
doc: added modules and snippets tutorial
0.2.3 released
Merge branch 'release/0.2.3' into develop
setup: bump version to 0.3.0