Tests failing: template/generic instantiation of `toGLSL` from here

[James]

Trying to run nimble test on the package yields the following error:

stack trace: (most recent call last)
/home/nycto/Code/shady/src/shady.nim(763, 21) toGLSL
/home/nycto/Code/shady/src/shady.nim(726, 17) toGLSLInner
/home/nycto/Code/shady/src/shady.nim(710, 19) gatherFunction
/home/nycto/Code/shady/src/shady.nim(710, 19) gatherFunction
/home/nycto/Code/shady/src/shady.nim(710, 19) gatherFunction
/home/nycto/Code/shady/src/shady.nim(710, 19) gatherFunction
/home/nycto/Code/shady/src/shady.nim(710, 19) gatherFunction
/home/nycto/Code/shady/src/shady.nim(701, 26) gatherFunction
/home/nycto/Code/shady/tests/test_shady.nim(60, 14) template/generic instantiation of `toGLSL` from here

[Andre von Houck]

I think I have fixed nimble test try with most recent vmath. (changes in vmath broke this).