Log Message:
Update to 0.061

Upstream changes:
0.061   2018-06-07
        - bundled libtommath update (+stdint.h workaround)
        - bundled libtomcrypt update (+necessary adaptation)
        - fix #43 HP-UX 11.11 C-ANSI-C has no stdint.h
        - fix #44 Anonymous unions are GNU and C11 (troubles with HP C/aC++, \ 
HP-UX 11.31/IA64)