Merge mainline 0.13.5

• More permissive parsing of attributes in FFI files

Merge mainline 0.13.2

Merge mainline 0.12.3

Fix some issues with the last release

Merge v0.12.1

• Only export in .erl the PureScript module exports
• Add line number macro to generated source
• Use calls via module:function/arity when possible to support code upgrade 40bb8e7
• Codegen bugfixes

• Changes to codegen to generate additional uncurried versions of top level values of EffectFnX and FnX types, eg foo :: EffectFn4 _ _ _ _ _ will generate foo/4 as well as foo/0, and related inliner changes
• Erlang backend repl: purs repl --erl

Merged changes from upstream for 0.12

purerl specific updates:

• Updates for Effect-related library updates
• Fix some bit-rotted codegen optimisations
• Remove @c suffix from generated name for curried version of functions - both curried and auto-generated uncurried versions will have the same name but different arity