Purpose: enhance Waba 1.0 to make possible write a finance application (VPFinance)

Changes in Waba 1.0G

. added method waba.io.Catalog.addRecord(int size, int pos)
. added method waba.fx.Rect.contains
. added class waba.io.ResizeStream
. added the following methods to waba.io.DataStream
  . pad
  . writeString, readString
  . writeStringArray, readStringArray
. added the following methods to waba.sys.Convert:
  . toString(float f, int d)
  . toFloat(String s)
  . add, sub, mul, div, toString(String doubleValue, int n)
  . toUpperCase, toLowerCase
  . toLowerCase, toUpperCase
  . zeroPad
  . max, min, abs
. added the following methods to waba.sys.Vm:
  . getRomVersion
  . getFreeClassHeap, getFreeObjectHeap
  . setSystemKeysUse
  . random
. added classes waba.ui.TabPanel and JustifiedContainer
. changed the following things in waba.ui.Control:
  . added constants: LEFT,TOP,RIGHT,BOTTOM,CENTER,PREFERRED
  . added members:
    . font, fm
    . enabled
  . added a constructor to inherit the font from MainWindow.defaultFont
  . added methods:
    . setFont
    . getPreferredWidth, getPreferredHeight,
    . getRelativeRect
    . onBoundsChanged
    . setEnabled, isEnabled
  . changed setRect to recognize the constants added and to call onBoundsChanged
  . changed postEvent to return if control is not enabled.
. added constants to waba.ui.IKeys to be able to intercept the keyboard:
  . KEYBOARD_ABC,KEYBOARD_123,KEYBOARD
  . HARD1,HARD2,HARD3,HARD4
  . CALC,FIND
. added methods waba.ui.Edit.setValidChars and isCharValid
. now waba.ui.Button clips the text into the button's boundaries.
. changed waba.ui.Welcome.version to "1.0G"
. added waba.ui.Check.setText and getText
. added waba.ui.Radio.setText and getText
. added doublebuffering to waba.ui.Window
. added class waba.util.IntVector