MathCAT C build 32 & 64 bit -- v0.3.8

Braille:

• Initial implementation of CMU -- the braille code used in Spanish and Portuguese speaking countries
• Fix some UEB bugs and added some characters for UEB
• Significant improvements to Vietnamese braille

Other fixes:

• Added Spanish translation
• Improvements to Vietnamese speech
• Fixed some navigation bugs when AutoZoomOut is False (not the default)
• Several improvements for cleaning up poor MathML code