fix Md5 file validator
fix Size file validator
fix UploadFile file validator
fix WordCount file validator
fix FilesSize file validator
clean up
Added accessor methods for labelOptions analogue to element attributes accessors to allow a more flexible handling of label options
Added tests that new label option always_wrap defaults to false and renders element correctly if defined
Fixed boolean/integer BC break.

Booleans and integers were being inadvertently converted to strings when
saved in the config array. This preserves the datatype.
Fixes #5516
- fixes cs in test case
Fixed setter test for label option
Fixed always wrap default test
Changed accessing of label options inside of view helpers to use getLabelOption instead of checking plain array keys
Removed default label options and fixed tests accordingly. Also added label options accessors in trait
fix #5428 only read the stream contents once
Added exception test for setLabelOptions
#5428 an attempt at a better fix
Added unsetValueOption() to the Form\Element\Select and Form\Element\MultiCheckbox
Merge pull request #5545. Fix #5544
Merge pull request #5545. Fix #5544 in develop