v 1.2 2010-01-15  - 1. Added macros \pstick, \psTick, \pssignal, \ldotsnode, \ncstar,
                       \psBraceUp, \psBraceDown, \psBraceLeft, and \psBraceRight.
                    2. Added the keys gratioWh, gratioWv, gratioHh, and gratioHv.
                    3. Added the style RoundCorners.
                    4. Updated macros \pscircleop, \psframeop, \psldots, and \nclist.
                    5. Removed all package options (notelegant and pstadd).
                    6. Removed the global round-cornering settings.
                    7. Removed macros \pshtick, \psvtick, \pshTick, \psvTick,
                       \RE, \IM, \sRE, and \sIM. 
                    8. Removed the styles BraceUp, BraceDown, BraceLeft, and BraceRight.

v 1.1 2009-04-01  - 1. Added macros \pshtick, \psvtick, \pshTick, and \psvTick.
                    2. Updated macros \psusampler and \psdsampler.

v 1.0 2009-01-15  - The first version of the package.