change log for P0500513 (close)

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2017-03-073:37:01Alfred Pfeiffer P0500513 problems cpluscomm  update(Popeye C-Version 3.52 (2048 KB)) Popeye C-Version 3.52 (2048 KB) 
2017-03-0620:42:41Marcin Banaszek P0500513 problems solution  updatea) 1. Ld2 Le3 (hg3:?) 2. Df4 Txc6# b) 1. Tc2 Tc3 (axb3?) 2. Dc4 Lxg5# a) 1. Ld2 Le3,(hxg3?) 2. Df4 Txc6# b) 1. Tc2 Tc3,(axb3?) 2. Dc4 Lxg5# 
2017-03-0620:42:15Marcin Banaszek E139 FIDE Album 1986-1988 1995 refsrc   add