fgm/codewars: CodeWars solutions

Frederic G. MARAND 5fe76a55d9 K6 Help the bookseller		4 年之前
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aretheythesame	52853e2e06 Initial commit: some Go, some PHP.	4 年之前
convertstringtocamelcase	52853e2e06 Initial commit: some Go, some PHP.	4 年之前
counting_duplicates	ab87cbe98b K6 Counting duplicates.	4 年之前
help_the_bookseller	5fe76a55d9 K6 Help the bookseller	4 年之前
highest_rank_number_in_an_array	2654ca2f89 K6 highest rank number in an array	4 年之前