Break LCS diffing to its own function. Minor style tweaks.
66ab8df0b6c8bb0dcb5dce8a7e8cd6a28e6c7c04 0.2
46dfe9d6f3680bf38aeddda68f014fc8bf6517fc 0.3
664bbe3dcd44e842559978725bf2128538a2b40a 0.4
12f279ef4f9d03b12dffc30eb96cde1fdd456bbe 0.5
4e77e8e5d4672cc8ef0cd608f00a8ed4ed305342 0.7
27bbe75233a3da1482fededd7f67215bc716b2d5 1.0.0
0cc20d93ff50438fcb3fec864474b3cab492dd1a 1.0.1
94b64bbf93cfdfaf0ee68c54cd60bd85865fcb47 1.0.2
e1728adb2561a87a3ab10e57ae4b3140abf4b5cf 1.1.0
1a480ba231b6ef7714a08151434b7773a1851936 1.2.0
b3b840a4b56c534501ee930a8ca0b2e08ecb43bb v1.3.0
7b7810fee305fd420e6d1082000c833ca28803ac v1.3.1