1.2.1 (2017-06-26)
 * Updated for libpng 1.6.29, zlib 1.2.11, and bitmapimage 1.4.0

1.2.0 (2014-06-29)
 * Updated for libpng 1.6.12
 * Added support for modern Xcode/iOS SDK versions

1.1.4 (2013-12-25)
 * Added 64-bit Windows and Linux support

1.1.3 (2012-06-28)
 * Updated for bitmapimage 1.3.0. PNGImageIO_loadPNGFile is now slightly more efficient.

1.1.2 (2010-12-04)
 * Updated dependencies: bitmapimage 1.2.0 -> 1.2.1; utilities 1.3.0 -> 1.4.0; stemobject 1.1.0 -> 2.0.0; stubshell 1.1.0 -> 1.1.1
 * Synchronized with template_stemlib Stable_2010-11-14

1.1.1 (2010-07-15)
 * Updated zlib dependencies; custom-built 1.2.5 was problematic, so now using custom-built 1.2.3 only on windows, and using -lz on macosx, iphoneos, iphonesimulator, and linux
 * Synced with template_stemlib 2010-07-14

1.1.0 (2010-06-04)
 * Updated dependencies: bitmapimage 1.1.1 -> 1.2.0, stemobject 1.0.0 -> 1.1.0, utilities 1.1.0 -> 1.3.0
 * Refreshed makefile from template_stemlib 2010-06-02

1.0.0 (2010-05-07)
 * Initial version