Implement plus/minus buttons and min/max/step functionality
Implement basic input-checkbox functionality
Input-radio no longer uses input element
Remove spaces
Rename plus/minus buttons to get rid of identifier
Move default values and clean up whitespace
Comment and cleanup
Comment and cleanup
Dispatch and handle check event from same-name radio buttons
remove delegate from pressComposer
Remove unnecessary needsDraw
Add more some input-number specs
Swap values to make max test make sense
Change min/max default values to "any" since null is not a valid value.
Change input-number tests to use and expect "any" default value for min/max
Remove todo prefix from input-number max test
Disallow negative step values
Use min value as step base in plus/minus actions
Adjust start value in max test to correct logic
Add initial tests for input-checkbox behavior