Whats New:
SDL:
* DESTDIR support. [theoddone33]

DOS:
* Fixed label for Fullscreen/Widescreen options. [ipher]

All Ports:
* Corrected output of BRR decode for invalid ange values (>12). [TRAC]
* Fixed sustain level 4 (5/. [TRAC]
* Fixed label for Fullscreen/Widescreen options. [ipher]
* More window boxes now have borders. [ipher]
* Close zip files properly when IPS is not found in zip (fixes crashing with certain zlibs). [Nach]
* Cleaned up some code. [Nach, ipher, grinvader]
* Ported chip detection to C, improved BS detection. [Nach]
* Ported rewind to C (thanks Nach, TRAC). [grinvader]
* New reminder text. [grinvader, AspiringSquire]
* Rollback of "Improved accuracy of base rates used for ADSR, GAIN, noise, and echo emulation". [ipher]