v1.5.4

Bugfixes:

• Fix exception if no code is selected to inspect (#599)
• Disable kernel interrupt on windows (#593, #592)
• WatchSidebar: Don't scroll past end in text editor (#588, #596)

Documentation:

• Add debugging guide and issue template for bug reports (#587)

Other Improvements:

• WatchSidebar: Remove usage of jQuery (#590)
• Update dependencies and enable Greenkeeper (#589)