Create dictionary structure for WordLadder
Word ladder framework begun
Hard-code default URL
Create basic queue implementation and tests
Quick save
Account for empty words in dictionary
Fixed AbstractDictionary bug (NPE)
Fix glitch that caused failure to preload
Initial word ladder implementation
Refactor input stream dictionary to allow arbitrary stream
Begin test sequence
Fix bug with array length (unsure of cause)
Fix bug in bugfix
Disallow non-words
Fix potential bug in Dijkstra's due to priority caching
Create directed weighted edge for tests
Let WeightedEdgeGenerator implement EdgeGenerator
Allow for bounded wildcards in Dijkstra
Basic node implementation
Create test for Dijkstra's algorithm