Add try_stack copy on VM::copy
Merge remote-tracking branch 'origin/master'
modified version of string format functionality
consistency
Merge pull request #205 from krakjoe/master

revision of String.format and printf
spawn vector added
Merge remote-tracking branch 'upstream/master'
Added nested try-catch-finally test
Improved nested try-catch-finally test
Merge pull request #206 from rgsilva/master

Added nested try-catch-finally tests
spawn vector added
English mistakes on tests.
Merge pull request #207 from rgsilva/master

Fixed some english mistakes.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
spawn vector added
Merge pull request #208 from gogo40/master

A simple way to create a thread pool
Merge remote-tracking branch 'upstream/master'