Added type param to DVarValue as DMD sometimes overrides the type of the VarDeclaration. Added support for align(1)/packed structs, other alignments are still ignored. Fixed some problems with accessing lazy arguments.

module typeinfos2;

import
typeinfo2.ti_AC,
typeinfo2.ti_Adouble,
typeinfo2.ti_Afloat,
typeinfo2.ti_Ag,
typeinfo2.ti_Aint,
typeinfo2.ti_Along,
typeinfo2.ti_Areal,
typeinfo2.ti_Ashort,
typeinfo2.ti_C;