Add structure to type of tile
Add structure type and add beach
field generator use only block tiles
clean difference between Tile.t and Tile_t.t
Module UnionFind
Fix make doc
add priority queue module in utils
small changes
Added min_attack_range method to Unit
Added unbound unit type and bind function
First draft for try_next_action
Revealed logic_player type for now
unit parsing update, with attack_range_min and create_list from file added
Add movement type All
Merge branch 'master' into generation
Merge branch 'engine_dev' into generation

Conflicts:
	src/common/Tile.ml
oups, Merge branch 'master' into generation
fix tank spawning on mountains
Merge branch 'master' into generation
beaches, beaches!