fixed input[type=date]
removed min & max attributes on date when min > max
updated chance.js & min, max on date
Adder helper method isEmptyVisibleAndEnabled; show.html file added for develepment purpose.
minlength and maxlength limits for text input.
minlength and maxlength limits for text input.
Populate date amendments.
Merge branch 'develop' of github.com:ptomaszek/dummy-form-filler into develop

Conflicts:
	data/dummy-engine.js
	show.html
Populate date field when no limits.