Updated Specification pages
Removed outdated documentation files
CoralVM-C: Preparing implementation of metaclasses

TODO: Add a link to metaclass from crl_base_object structure
CoralVM-C: Preparing procedures, metaclasses and VM runner itself

Trying to figure out the proper way to define a call stack, still work in progress. The thing is that call stacks are thread-local and blueprint-kind objects need to be shared, synchronized with an R/W lock, probably.