Error and warnings when compiling contracts

[johba37]

when running sh compile.sh with solc 0.4.19 i get the following error and warnings:

fs.sol:126:43: Warning: Unused function parameter. Remove or comment out the variable name to silence this warning.
   function debug_forwardData(bytes32 id, address a) public returns (uint) {
                                          ^-------^
fs.sol:126:4: Warning: Function state mutability can be restricted to view
   function debug_forwardData(bytes32 id, address a) public returns (uint) {
   ^
Spanning multiple lines.
Error: Documented parameter "limit
@param" not found in the parameter list of the function.

[mrsmkl]

Thanks for report and PR. I think it was fixed in #74