use $this->options instead of copying $this->optinos
Add spaces and bracket
Add Patch64BitSupportTask class
Add dryrun support

- Refactoring ConfigureBuilder to ConfigureTask.
- Pass options to eash tasks.
- Supporting dryrun option.
Add DSYmTask
Add basic command builder test
Add ctags command
register ctags command to console object
Basic workable ctags command
set version 1.9
Bump version to 1.9.1
Releasing 1.9.1