Release v0.21 tweaks, fixes, optimisations · jaggiJ/outbreak-zville

Bug fixes:

fixed: now info about amount of zombies that attack family is correct when no population left
changed randomly generated population minimum from 100 to 200 in village_gen function
(possible cause that some homes were left intact after population wiped when population < 200)
print('Zombies are crawling among smoldering ruins of {village[0]}.') missed f in front of quote
fixed value error in family_gen when roll is 100 (range should end with 101 for 100 value)
removed empty space at end of names in female names dictionary that probably caused empty name in family list in one of tests
repeating game in intro mode caused wrong story to be loaded (two different stories had same variable name)
added to intro game random family generation (could cause error on family fight otherwise?) -> familyChar, familyStats = family_gen(random_family)

Optimisations:

linux compatibility: shebang #!/usr/bin/env python3 (still needs python 3.6+ to work properly)
draw_grid_data() rewritten, functionality same
cleaning code finished
added debugging module logging
designed family and village saved between games, random game resets it
created data file for storing various static data
readable code: rewritten code format for beginning story and modified function for weather
little tweaks to story, story2, speed menu, ending game summary
optimised speed for intro game
added to intro game: explanation of family cell when grid is printed for user for the first time
simulation speed will be retained for next simulation instead of turning to default 2 (exception - 1 speed always turns to 2 on new simulation)
simulation speed
printing data for user in windows command line

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