threads working ...
Thread.wait
notes etc
some work on concurrency
remove copy of vm from thread
revert changes
Merge branch 'master' of https://github.com/clever-lang/clever
stuff on concurrency
Merge branch 'master' of https://github.com/clever-lang/clever

Conflicts:
	modules/std/concurrent/thread.cc
concurrency stuff
woops
- Fixed memory leak when adding user method
- Cosmetics
- Changed Value::dump() to pass the DataValue ptr according to the type
- Fixed crash when calling from a null variable
- Fixed clang buid when using CMAKE_BUILD_TYPE=Devel
- Added stdout buffer flushing to VM::dumpOpcodes()
- Make testrunner return 1 if some tests fail
- Merged m_type, m_variadic and m_static into m_flags in Function
- Partial fix for environment issue when calling returned anonymous function