Some improvement to builds.sh
Add .gitignore
Little typo fix
Remove noisy comments.
Remove unused local var support (for now)
A system specializable demangler implementation.
Add defines for "ATLEAST_CXX11"
A more flexible and factorized stack Printer.
Adding BACKWARD_HAS_* config in cmake for tests
Better test checking

 - fork every test
 - capture signals
 - more assertion tools
 - test can be expected to fail
Tests are all passing now.
Tests refactored onto less files.
stackoverflow test
Fixing buffer overflow on signals array
Merge pull request #13 from fabceolin/master

Fixing buffer overflow on signals array
add gitignore
enable bfd