work on issue #16: optional vertical arrangement of output pane
unlock mutex even in case of panic
add doc comment for package main
work on issue #12: visibility option for standard packages
move template functions to own file
add more test cases for nthIndexByte
work on issue #11: permanent bar at the top
remove unnecessary cond function
update Go version requirement information
remove trailing commas
fix js style
add template test
implements now shows whole-program implements relation for selected type
add 'pointsto' command; update description of 'describe' command
fix command line representation
work on issue #3: use 'what' command to determine menu options appropriate for selection
simplify mode menu filtering
don't use log for error output
Add support for build tags
Merge pull request #18 from zeebo/master

Add support for build tags