Fixed bug related to hardware that does not support internal pull-down

v1.0.6

Fixing bug for platform that is not support internal pull-downs

Support internal pull-up/pull-down, external pull-up/pull-down

v1.0.5

supports internal pull-up/pull-down, external pull-up/pull-down

v1.0.4

Added ButtonArray example

Deleting the duplicated examples

v1.0.3

Update library.properties

changes button class and file name to ezButton

v1.0.2

Add files via upload

support the press counting function

support the press counting function

Initial release

Initial release