A few mods to the 'readme'

[greggturnbull]

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[greggturnbull]

As noted the end_hour will include all increments starting with that hour , ie. if you set end_hour to 17 and your minute_interval is 15 then you will display 5:00pm, 5:15pm, 5:30pm, and 5:45pm. To get around this you can set your end hour to 16.25. Now only 5PM will display.

2...
This may have just been me but when adding the params as you displayed them I got an error ' can't dup NilClass' on for submit. I modifided them like so, changing 'i' to '5i', and the error was no more:

before:
params[:event][:time] = Time.parse(params[:event][:"time(i)"])
params[:event].delete(:"time(i)")

After:
params[:event][:time] = Time.parse(params[:event][:"time(5i)"])
params[:event].delete(:"time(5i)")