fix cx_strdup() not using cx_strcast()

add documentation for cx_strsplit()

document cx_strreplace() family of functions and improve docstrings

document substring family of functions

write section in string docu about comparisons and concatenation

write Section about basic string functions

(0) -1000 -300 -100 -30 -10 -6 +6 +10 +30 tip

mercurial