first change on this branch
thread support
isys dir add
prepare
minimal work
remove XInitThreads call
Merge branch 'master' into derelict3
work for sdl2
correct
add template aliases for column and row
split signal box pairs to open and close
add ortho, rename
GLVAO draw with matrix 4x4
information wrap type
add true_inv for mat3
Minor fixes
Merge pull request #4 from vsn4ik/derelict3

Minor fixes
size_t as alias for index values
remove workaround4424
add tensor