Release 0.7.0
Revert "include/spinlock: explicit casts for C++ compilation" This reverts commit 8698ada9532d880eb1276f3535ef879a23dee8cf. Concurrency Kit uses idiomatic C99+.
Revert "include/spinlock: explicit casts for C++ compilation" This reverts commit 8698ada9532d880eb1276f3535ef879a23dee8cf. Concurrency Kit uses idiomatic C99+.