Fix other toupper() calls

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2721 86ba831e-150c-0410-ab35-e06eaae15ed9
Fix other tolower() calls

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2722 86ba831e-150c-0410-ab35-e06eaae15ed9
Fix isspace() calls

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2723 86ba831e-150c-0410-ab35-e06eaae15ed9
Fix calls to isalnum and isdigit.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2724 86ba831e-150c-0410-ab35-e06eaae15ed9
Replaced most usage of <ctype.h> functions with custom implementation that is safe whether input is signed or unsigned.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2725 86ba831e-150c-0410-ab35-e06eaae15ed9
Freshen up vc2010 project while it's still being supported.

git-svn-id: http://mancubus.net/svn/hosted/eternity/trunk@2726 86ba831e-150c-0410-ab35-e06eaae15ed9