fgm/codewars: CodeWars solutions

Frederic G. MARAND d322595faf K7 mumbling		%!s(int64=4) %!d(string=hai) anos
..
a_rule_of_divisibility_by_7	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
alphabetical_addition	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
complementary_dna	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
find_n_1_common_letters	9089c735c3 K7 find n-1 common letters (K5, poorly worded).	%!s(int64=4) %!d(string=hai) anos
floating_point_approximation	cf77f38477 Go K7 on other machine.	%!s(int64=4) %!d(string=hai) anos
functions_of_integers_on_cartesian_plane	8f20e627f6 K7 functions of integers on cartesian plane.	%!s(int64=4) %!d(string=hai) anos
growth_of_a_population	b7e8450261 K7 The Baum-Sweet sequence, and Growth of a population.	%!s(int64=4) %!d(string=hai) anos
love_vs_friendship	cf77f38477 Go K7 on other machine.	%!s(int64=4) %!d(string=hai) anos
maximum_multiple	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
mumbling	d322595faf K7 mumbling	%!s(int64=4) %!d(string=hai) anos
shortest_word	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
simple_fun_74_growing_plant	41f28aebb7 K7 growing plants	%!s(int64=4) %!d(string=hai) anos
square_strings_1	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
strings_end_with_questionmark	ce3c687a1a K5 Strings end with question mark. Two oldest ages.	%!s(int64=4) %!d(string=hai) anos
strongn	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
sum_odd_numbers	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
the_baum_sweet_sequence	b7e8450261 K7 The Baum-Sweet sequence, and Growth of a population.	%!s(int64=4) %!d(string=hai) anos
the_paperfold_sequence	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos
two_oldest_ages	ce3c687a1a K5 Strings end with question mark. Two oldest ages.	%!s(int64=4) %!d(string=hai) anos
zombie_shootout	52853e2e06 Initial commit: some Go, some PHP.	%!s(int64=4) %!d(string=hai) anos