edits to parser.cpp to allow logs to be created edits to log.cpp and
log.h: logs can now be input return doubles and change of base occurs
still working on simplify but its progress also idk what changes I made
to calculator and main I think I just added spaces everything still
compiles so its gucci
The simplify method is working for log only works with ints for now
however the computer doesnt use the simplified form it returns the
expression but it thinks the answer is the unsimplified form