safety while mod.std.concurrent is loaded
date module
tests for mutex/condition
ctors for everything that was missing them
better Date.format
fixings
UTC/local
check_args in methods
comments
correct doctags
Merge branch 'master' of https://github.com/clever-lang/clever
comments
Merge pull request #255 from krakjoe/master

safety for values
correction
Merge pull request #256 from krakjoe/master

correction to Date::dump