Every separate fill function was calling update(), which was redundant

This marks the first time anything more than parsing is done to a setting when
loaded or saved. Hopefully floating point errors will not wind up causing problems!

Old saves will have their base production values cleared.

Unit Symbols

*added symbolic units for metric and customary. (EX m instead of metet)
*removed some "-" from body part descriptions that didn't make sense
*toggle units button now displays the correct units on start

This reverts commit 29f0302020.

*added symbolic units for metric and customary. (EX m instead of metet)
*removed some "-" from body part descriptions that didn't make sense
*toggle units button now displays the correct units on start

update to master

Nested subcategories are now centered.
Toggleable settings have proper widthsn ow

This replaces the old behavior of setting digestion time to 0.
Doing so does still work, but it is no longer mentioned.
This introduces a save migration, since the option needs to be
set based on the digestion times.

This was because the game threw out all false settings when exporting -
in the past, every checkbox defaulted to false. This was done because
many checkboxes lack default settings of false, meaning their
defualt value was undefined, not false. The code now checks for this
case - false setting, undefined default - before moving on to the more
general check for equivalence.

screen

Full Biome Implementation

*biome is now an Enum, see biomeEnum
*moved biome and biomeEnum to after macro to avoid issue with defination before initilization
*Added main menu options to allow you to control what biomes you walk to
*Added Main Menu Option to allow you to turn off walking betweeen Bioms
*Let player choose starting biome
*Fixed link in stroll header
*Changed flavortext for downtown to make it cleared if you are in city or downtown made line2 in look areaDesk as veriable name was nondescript
*biomes now have weighted spawns

look(true) now adds a newline after text.

Better Walking and Text Additions

+Added Walk Speed To Menu(changes how long between footfalls)
*Changed strolling to Enum
+2 new modes of walking "jogging" and "running" that allow you to walk faster
*Changed default time between steps while walking from 1500 to 2000. This allows for a slower pace if desired, with faster options now available.
*updated URL in README to point to correct site

Updated menu with toggle for walking between biomes
added ability to walk from one biome to another
added some text regarding biomes

Fixed some typos. Added more precum text

Automatic Growth

Removed the school bus option from bus and improved orginization of recursive-macro with comments

Fixed some typos and added the makeSphere and breakSphere functions

Added precum text up to 1e6 volume