+1.7.7 (dd September 2019)
+* Fix unarchiving empty containers.
+* Remove obsolete exhashmap implementation.
+* Fix issues with zeta computation.
+
+1.7.6 (22 April 2019)
+* Fix a bug in mul::series() about asymptotic order term.
+* Fix cl_N code generation for small negative integers.
+* Fix multiple polylog computation related to trailing zeros and user-specified
+ signs for small imaginary parts.
+* Fix CMake build with Python3.
+