quit using macro for checking return value.
escape the path name.
Add Visual Studio support.
Remove the unused part.
Merge branch 'devel_leveldb' of https://github.com/katonori/cxxtags into devel_leveldb
Modify the build option.
add switch for the timers.
refactor.
fix utility scripts.
modified the if condition while polling.
improve project runner script. implement parallel execution and project format switch.
enable base64 encoding.
Changed tests to clean before they run.
Add the document.
Update the document.
Merge branch 'devel_leveldb' of https://github.com/katonori/cxxtags into devel_leveldb
Update tests.
Merge branch 'devel_leveldb' of https://github.com/katonori/cxxtags into devel_leveldb
add the file to be installed.
fix the function declaration.
fix the bug that cxxtags_run_proj fails command execution on mac osx.