Constify VM::copy and Scope::copy
- Added call to comparison operators implementation
- Removed VM::increment and VM::decrement methods
- Removed VM::saveVars and VM::restoreVars methods
Merge branch 'master' of https://github.com/clever-lang/clever
- CS
- Dropped unused VM's m_handlers member
VM::isMain() fixed
Merge branch 'master' of https://github.com/clever-lang/clever
corrections