Introduced 1-indexing everywhere in Julia version

• only changes to XDiag.jl, C++ untouched
• XDiag_jll.jl remains at v0.2.2

Lanczos routines and multicolumn States

• wrapped eigs_lanczos, eigvals_lanczos
• implemented apply for States with multiple columns
• changed wrapping of std::vectors of Op and Permutation

Small patch release providing small utility functions

• wrapped say_hello, print_version, and set_verbosity
• resorted to compiling wrapper with conventional OpenMP on aarch64 apple
• Fixed faulty behaviour of OpenMP on aarch64 apple

v0.2.0

XDiag v0.2.0

First XDiag version with Julia wrapper

In this version, the xdiag library is for the first time wrapped to a Julia frontend using CxxWrap.

• The C++ source repository, including the wrapper code, is available at https://github.com/awietek/XDiag
• The full documentation is available at https://awietek.github.io/xdiag/