Question: "upload" a module?

Hi!

I am very interested in using the "phc.module", which is a module to work with "polynomial homotopy continuation" method. Please, see this paper       PHCmaple.pdf

I have downloaded the following files:  phc.zip

Then, I open (as an "ordinary" maple worksheet) the file "phc_savelib.maple" and execute it, but it seems that I can not use their functions and procedures because it returns errors. 

For instance, follwing the attached PDF,  in the phc_savelib.maple file, define the polynomial system:

 

T := makeSystem([x, y], [], [x^2+y^2-1, x^3+y^3-1])

 

and try to solve the above system 

sols := solve(T)

 

but returns the error 

Error, (in fopen) file or directory does not exist
 

Many thanks in advance for your help!

 

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