fix cxBufferMinimumCapacity not using the allocator

do not implicitly zero freshly allocated memory

fix cxBufferMinimumCapacity implementation still using additional_bytes

fix erroneous doc for cxBufferShift

#170 first buffer tests

#171 const qualifier and nonnull attributes

#179 improve API for list content destruction

add doc for cx_for_n

(0) -300 -100 -30 -10 -8 +8 +10 +30 +100 +300 tip

mercurial