tk: Add code for constructing C code from tk buffer content
readme: Add feature list
Strategy: Forget about emitting unknown constructs as TODOs
cli: Split @file expansion code into extra procedure
util: Simplify dir scanner to use AST instead of custom linked list
tk: Fix infinite loop in hFindConstructBegin()
ast: Clarify astMakeProcsDefaultToCdecl()'s purpose
util: Remove unused shell functions (see also 5297fb3f)