Merged Brian into master
Added switches and ?: conditionals

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Added exponentially increasing prices
added cps works
Added tile upgrading
added scaled city prices
changed city mechanics slightly
merge Brian into master
the game is losable now

I lost the game
All classes before Timer are commented
all comments done except the unit class
fixed minor glitch with clicker
comments finished
fixed glitch with crashing moving units
fixed the glitch with the lose screen
removed println
improved initial opening of the game
unit balancing
improved instructions
fixed a timer glitch