implemented entry point caching for run88
implemented entry point caching for run88

We create a file <executable>.cache, which holds 4-byte little endian
entry points. If we find a new one, we will append it to the file.


ukatemi/libcpu,glguida/libcpu,glguida/libcpu,glguida/libcpu,ukatemi/libcpu,monocasa/libcpu,glguida/libcpu,curtiszimmerman/libcpu,curtiszimmerman/libcpu,curtiszimmerman/libcpu,libcpu/libcpu,libcpu/libcpu,ukatemi/libcpu,monocasa/libcpu,ukatemi/libcpu,libcpu/libcpu,monocasa/libcpu,libcpu/libcpu,curtiszimmerman/libcpu,monocasa/libcpu