Add v0.3.2-1 to rockspecs and fix cloning URL

Files changed:
- fusionscript-dev-1.rockspec
- versions/fusionscript-0.3.2-1.rockspec

README: Change flag name

.topics/Syntax: Document new function chaining, remove old inheritanc…

…e mess

versions/0.3.0-1.rockspec: New version