appsscriptservice now uses base64 encoding transit

base64 Decode String returned from appsscript
TestAppsscriptservice_GetKey no longer skipped
Generate functions inlined in to the object creation functions

googledriveservice code moved in to stuck methods in order to better encapsulate functionality

gds googledriveservice now holds the service state
object geters functions replaced with the interface
googledriveservice_GetBlob replaced with (gds googledriveservice) getBlob(h HCID)
googledriveservice instances now made by googledriveserviceFactory
TestGoogledriveservice_GetBlob no longer skipped
TestGoogledriveservice_GetCommit no longer skipped
TestGoogledriveservice_GetTag no longer skipped
TestGoogledriveservice_GetKey no longer skipped

fixed range var in closure bug in mux
print log on err in mux instead of panicking