Update README.md

description of `FXFormFieldTypeImage` changed to be consistent with other descriptions.
Added support for multi-select fields
Merge branch 'master' of https://github.com/nicklockwood/FXForms
Added bitfield values
Fixed various bugs in the options and multi-select fields
Placeholder value can now be used to clear options fields
Merge pull request #29 from Ashton-W/patch-1

Update README.md
Better default description for collections
Fixed many fieldDescription bugs
Merge branch 'master' of https://github.com/nicklockwood/FXForms
Cell style can now be override
Button-type cells are now centred by default
Removed the call to action in the update function of the FXFormStepperCell
Merge pull request #34 from fblumenberg/master

Removed the call to action in the update function of FXFormStepperCell
Updated to version 1.1
FXFormOptionPickerCell doesn't select the current value

The cell did not select the correct value inside the picker when becoming the first responder programatically.
Merge pull request #37 from fblumenberg/master

FXFormOptionPickerCell doesn't select the current value
Updated to version 1.1.1
Fixed warning
Merge branch 'master' into customFields

Conflicts:
	FXForms/FXForms.m