phpWheelForm 1.0 released

Changes:
- support many forms in one HTML page
- error message output customized
- bug with zero value fixed
- form generating from contents implemented
- SMTP authentication implemented for sending result by e-mail
pwfBuilder:
- support many forms in one HTML page
- pwfBuilder: exclude existing attributes
- pwfBuilder: support for tags TEXTAREA and SELECT
- automatic resolve human names for form's elements - "Auto verbose" implemented