v1.1.0

• Updated safety annotations for functions in numem.lifetime
• Added new unit tests to ensure updates don't cause serious breakage.
• Added new try variants for new and delete.
• Added support for D 2.111's placement new.
  • placement new is automatically used if the D frontend version is reported as D 2.111
• Updated purity annotations for malloc, realloc and free.
• Removed nothrow annotation from move and copy postblits.
• Added nu_mallocT to numem.core.memory, which allocates storage space for a type.
• Added nu_storageT to numem.core.memory, which gets the existing storage from a safe reference.
• Added support for destructing C++ structs.
• Fixed file structure of unit tests for older D compiler+dub releases.