Bump to version 0.13
Better comments for new Debug functions
cosmetic: newlines to make code easier to read
Stop truncating numbers

Residual change from the original debugger, not a good thing in this
context.
Get rid of nodeType variable

Was used in an early version of the debugger but is not needed anymore.
Basic fix
Fix #748, properly detect mouse up events

Thanks to @andreywix for hunting this down!
reordering events in restart fixed restart jankiness
added back executeCallbacks; it is possible to have an inital callback
Merge pull request #755 from michaelbjames/bugfix/every

Bugfix/every
Add negate function
Implement "abs" in Elm
Implement "min", "max", and "clamp" in Elm
cosmetic: improve whitespace consistency
Unbreak elm-repl
Look for static assets in compiler/ subdirectory
Merge pull request #759 from maxsnew/repl-fix

Unbreak elm-repl
0.13 introduces several new Debug functions