initial commit with template project
rearrange project layout
enable all warnings
fixed warnings
set deployment target to 8.0
Added MonetaryValue class
call initWithMantissa:exponent:isNegative
Added some math utility classes and functions
added .00 to value
basic implementation
added more interest methods
added description method
initial simple model
moved CollegeInvestmentModel to models directory
added methods to add and subtract
added support for monthly contributions
renamed method to zeroValue
refactored method names