A gdb-like Ruby debugger with both high and low-level debugging support.
See github.com/rocky/rb-trepanning/wiki/Features for a list of features.
To provide the advanced features this version works only with a [patched MRI Ruby 1.9.3. See ruby-debugger-runtime.sourceforge.net/
This version works only with a patched version of Ruby 1.9.3 Ruby 2.1.5, look for a version that starts with 2.1.5