extract validate as own function
change validation for input keys for letters and digits by regex
add umlaute to validation letters
add option allowCopyAndPaste
copy & paste is now prevent when allowCopyAndPaste is false
change allowCopyAndPaste to default true
update min version to 0.2.0
Merge branch 'development' into develop
read and check for data-attributes
finish feature to put a label/text inside the input field, styling via css
minified new version from current dev branch
add new test inputs for testpage
Merge branch 'release/version-0.3.0'