diff from 2.0.3
95e5e93 Prevent compiler warning about writing to an object with no trivial copy-assignment
a320767 Prevent compiler warning about calling realloc() on an object which cannot be relocated in memory
4cb9240 Correct the memory usage claims to take into account allocator overhead (#132)
90e60f0 Update test for large objects with a more reasonable hash function.
d6684b2 Fix missing initialization of g_num_copies and g_num_hashes
67cdd69 -Wformat-pedantic casts to quite compiler warning
4a36398 Pass by const ref not copy
3151e11 Add test ResizeWithoutShrink and in-code comments.
2d27620 Fix the bug of endless bucket doubling when min_load_factor=0.
7b8afad Use unordered_map instead of hash_map for Visual Studio 2013 and later
6c4151b amend spelling mistakes for insert() method