Document and fix go runtime support in gdb 7.6+
Handle multiple gopaths on windows.
Fix dependencies in osutil_windows.go
Convert ListSeparator into a string to use in Split.
Added info about compiling gdb on windows.
Fix index out of range panic.
Add GDB.Gdb{Set,Show}
Merge pull request #1 from ebfe/gdb-set-show

Add GDB.Gdb{Set,Show}
Add note about gdb freezing in the pretty printer.
Fix line truncation problems for very large lines coming from gdb.
Process stderr and provide it as part of the target output.
Format the source code.